Area Code 443 Details

State Maryland
Major City Baltimore
Timezone Eastern
Cities Serve Annapolis, MD Arbutus, MD Arnold, MD Baltimore, MD Bel Air North, MD Bel Air South, MD Carney, MD Catonsville, MD Columbia, MD Crofton, MD Dundalk, MD Edgewood, MD Eldersburg, MD Elkridge, MD Ellicott City, MD Essex, MD Glen Burnie, MD Lochearn, MD Middle River, MD Milford Mill, MD Odenton, MD Parkville, MD Perry Hall, MD Pikesville, MD Randallstown, MD Reisterstown, MD Salisbury, MD Severn, MD Severna Park, MD South Gate, MD Towson, MD

Area Code 443 Prefixes

Prefix Primary City Carrier Service Type
(443) 200 Baltimore Allegiance Telecom Landline
(443) 201 Westminster Cellco Partnership DBA Verizon Wireless Wireless
(443) 202 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 203 West River Verizon Maryland Landline
(443) 204 Pikesville New Cingular Wireless PCS - DC Wireless
(443) 205 Cambridge Sprint Spectrum L.p. Wireless
(443) 206 Perryville Cellco Partnership DBA Verizon Wireless Wireless
(443) 207 Elkton Omnipoint Communications Enterprises, L.p. Wireless
(443) 208 Essex Sprint Spectrum L.p. Landline
(443) 209 Havre De Grace Cavalier Telephone (mid-atlantic) Landline
(443) 210 Aberdeen Sprint Spectrum L.p. Landline
(443) 212 Sparks Glencoe Us Lec Of Maryland Landline
(443) 213 Baltimore Verizon Maryland Landline
(443) 214 Annapolis New Cingular Wireless PCS - DC Landline
(443) 215 Chestertown Core Communications Landline
(443) 216 Dundalk Cavalier Telephone Mid-atlantic Landline
(443) 217 Annapolis Core Communications Landline
(443) 218 Reisterstown Global Crossing Local Services-md Landline
(443) 219 Baltimore Level 3 Communications Landline
(443) 220 Baltimore Verizon Maryland Landline
(443) 221 Annapolis Level 3 Communications Landline
(443) 222 Reisterstown Xo Maryland Landline
(443) 223 Annapolis Cellco Partnership DBA Verizon Wireless Wireless
(443) 224 Baltimore Mci Worldcom Communications Landline
(443) 225 Cambridge Sprint Spectrum L.p. Landline
(443) 226 Baltimore Sprint Spectrum L.p. Wireless
(443) 227 Port Deposit Ctc Communications Corp. Landline
(443) 228 Middle River Us Lec Of Maryland Landline
(443) 229 Severna Park Cavalier Telephone Mid-atlantic Landline
(443) 230 Odenton Ctc Communications Corp. Landline
(443) 231 Baltimore AT&T Local Landline
(443) 232 Willards Cavalier Telephone (mid-atlantic) Landline
(443) 233 Mardela Springs Cavalier Telephone (mid-atlantic) Landline
(443) 234 Snow Hill Cavalier Telephone (mid-atlantic) Landline
(443) 235 Salisbury Cellco Partnership DBA Verizon Wireless Wireless
(443) 236 Cardiff Core Communications Landline
(443) 237 North Beach Core Communications Landline
(443) 238 Parkton Ctc Communications Corp. Landline
(443) 239 Easton New Cingular Wireless PCS - DC Wireless
(443) 240 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 241 Westminster Global Naps South Landline
(443) 242 Sparrows Point Cavalier Telephone Mid-atlantic Landline
(443) 243 Fallston Cellco Partnership DBA Verizon Wireless Wireless
(443) 244 Westminster Level 3 Communications Landline
(443) 245 Elkton Cavalier Telephone (mid-atlantic) Landline
(443) 246 Elkton Core Communications Landline
(443) 247 Union Bridge Ctc Communications Corp. Landline
(443) 248 Catonsville Cellco Partnership DBA Verizon Wireless Wireless
(443) 249 Stevensville Verizon Maryland Landline
(443) 250 Baltimore Sprint Spectrum L.p. Wireless
(443) 251 Chestertown Local Access LLC Wireless
(443) 252 Perryville Cellco Partnership DBA Verizon Wireless Wireless
(443) 253 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 254 Annapolis Omnipoint Communications Cap Operations Wireless
(443) 255 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 256 North East Ctc Communications Corp. Landline
(443) 257 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 258 Easton New Cingular Wireless PCS - DC Wireless
(443) 259 Columbia Verizon Maryland Landline
(443) 260 Salisbury Verizon Maryland Landline
(443) 261 Severna Park Mci Worldcom Communications Landline
(443) 262 Centreville Verizon Maryland Landline
(443) 263 Baltimore Verizon Maryland Landline
(443) 264 Pikesville Xo Maryland Landline
(443) 265 Fork Cavalier Telephone Mid-atlantic Landline
(443) 266 Glenwood Global Crossing Local Services-md Landline
(443) 267 Darlington Teleport Communications America Landline
(443) 268 Baltimore Core Communications Landline
(443) 269 Towson Xo Maryland Landline
(443) 270 Baltimore Paetec Communications Landline
(443) 271 Baltimore Sprint Spectrum L.p. Wireless
(443) 272 Baltimore Teleport Communications America Landline
(443) 273 Reisterstown Teleport Communications America Landline
(443) 274 Severn Verizon Maryland Landline
(443) 275 Baltimore Comcast Phone Of Northern Maryland Landline
(443) 276 Baltimore Allegiance Telecom Landline
(443) 277 Sykesville Sprint Spectrum L.p. Wireless
(443) 278 Baltimore Vdl DBA Global Telecom Brokers Landline
(443) 279 Baltimore Allegiance Telecom Landline
(443) 280 Sykesville New Cingular Wireless PCS - DC Wireless
(443) 281 Baltimore Allegiance Telecom Landline
(443) 282 Chestertown Sprint Spectrum L.p. Wireless
(443) 283 Baltimore Paetec Communications Landline
(443) 284 Jessup Xo Maryland Landline
(443) 285 Columbia Verizon Maryland Landline
(443) 286 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 287 Baltimore Verizon Maryland Landline
(443) 288 Baltimore Allegiance Telecom Landline
(443) 289 Westminster Mci Worldcom Communications Landline
(443) 290 Parkville Tw Telecom Of Maryland LLC Landline
(443) 291 Hampstead Global Crossing Local Services-md Landline
(443) 292 Laurel Level 3 Communications Landline
(443) 293 Westminster Global Crossing Local Services-md Landline
(443) 294 West River Global Crossing Local Services-md Landline
(443) 295 Prince Frederick Level 3 Communications Landline
(443) 296 Baltimore Global Crossing Local Services-md Landline
(443) 297 Arbutus Teleport Communications America Landline
(443) 298 Easton New Cingular Wireless PCS - DC Wireless
(443) 299 Fallston Global Crossing Local Services-md Landline
(443) 300 Sykesville Broadwing Communications. LLC Landline
(443) 301 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 302 Crofton Global Crossing Local Services-md Landline
(443) 303 Aberdeen Global Crossing Local Services-md Landline
(443) 304 Baltimore Global Crossing Local Services-md Landline
(443) 305 Baltimore Global Crossing Local Services-md Landline
(443) 306 Baltimore Sprint Spectrum L.p. Wireless
(443) 307 Bel Air Global Crossing Local Services-md Landline
(443) 308 Baltimore Allegiance Telecom Landline
(443) 309 Elkton Sprint Spectrum L.p. Wireless
(443) 310 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 312 Baltimore Global Crossing Local Services-md Landline
(443) 313 Fork Global Crossing Local Services-md Landline
(443) 314 Baltimore Sprint Spectrum L.p. Wireless
(443) 315 Baltimore Global Crossing Local Services-md Landline
(443) 316 Baltimore Global Crossing Local Services-md Landline
(443) 317 Baltimore Global Crossing Local Services-md Landline
(443) 318 Cockeysville Cavalier Telephone (mid-atlantic) Landline
(443) 319 Columbia Cavalier Telephone (mid-atlantic) Landline
(443) 320 Baltimore Global Crossing Local Services-md Landline
(443) 321 Annapolis Paetec Communications Landline
(443) 322 Towson Cavalier Telephone Mid-atlantic Landline
(443) 323 Rhodesdale Cavalier Telephone (mid-atlantic) Landline
(443) 324 Baltimore Sprint Spectrum L.p. Wireless
(443) 325 Ellicott City Cavalier Telephone Mid-atlantic Landline
(443) 326 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 327 Aberdeen Cavalier Telephone Mid-atlantic Landline
(443) 328 Sykesville Ctc Communications Corp. Landline
(443) 329 Jessup Global Crossing Local Services-md Landline
(443) 330 Baltimore Cavalier Telephone Mid-atlantic Landline
(443) 331 Taneytown Ctc Communications Corp. Landline
(443) 332 Crofton Cavalier Telephone Mid-atlantic Landline
(443) 333 Annapolis Leap Wireless Intl DBA Cricket Comm Wireless
(443) 334 Towson Allegiance Telecom Landline
(443) 335 Brooklyn Xo Maryland Landline
(443) 336 Annapolis Sprint Spectrum L.p. Wireless
(443) 337 Sparrows Point Xo Maryland Landline
(443) 338 Sparks Glencoe Ctc Communications Corp. Landline
(443) 339 Sherwood Forest Ctc Communications Corp. Landline
(443) 340 Westminster Cellco Partnership DBA Verizon Wireless Wireless
(443) 341 Baltimore Level 3 Communications Landline
(443) 342 Solomons Ctc Communications Corp. Landline
(443) 343 Millersville Teleport Communications America Landline
(443) 344 Severna Park Core Communications Landline
(443) 345 Aberdeen Level 3 Communications Landline
(443) 346 Severna Park Xo Maryland Landline
(443) 347 Cardiff Ctc Communications Corp. Landline
(443) 348 Baltimore Teleport Communications America Landline
(443) 349 Westminster Core Communications Landline
(443) 350 Elkton Cellco Partnership DBA Verizon Wireless Wireless
(443) 351 Columbia Us Lec Of Maryland Landline
(443) 352 Baltimore AT&T Local Landline
(443) 353 Cockeysville Verizon Maryland Landline
(443) 354 Baltimore Level 3 Communications Landline
(443) 355 Baltimore Level 3 Communications Landline
(443) 356 Bel Air Level 3 Communications Landline
(443) 357 Pikesville Verizon Maryland Landline
(443) 358 Salisbury Ymax Communications Corp. Landline
(443) 359 Delmar Cellco Partnership DBA Verizon Wireless Wireless
(443) 360 Aberdeen Teleport Communications America Landline
(443) 361 Sykesville Core Communications Landline
(443) 362 Easton Omnipoint Communications Cap Operations Wireless
(443) 363 Severn Xo Maryland Landline
(443) 364 Baltimore Teleport Communications America Landline
(443) 365 Salisbury Omnipoint Communications Cap Operations Wireless
(443) 366 Salisbury Sprint Spectrum L.p. Wireless
(443) 367 Columbia Verizon Maryland Landline
(443) 368 Westminster Core Communications Landline
(443) 369 Bel Air Core Communications Landline
(443) 370 Annapolis New Cingular Wireless PCS - DC Landline
(443) 371 Bel Air Broadwing Communications. LLC Landline
(443) 372 Edgewood Us Lec Of Maryland Landline
(443) 373 Ocean City Sprint Spectrum L.p. Wireless
(443) 374 Aberdeen Cavalier Telephone (mid-atlantic) Landline
(443) 375 Hampstead Sprint Spectrum L.p. Wireless
(443) 376 Baltimore Teleport Communications America Landline
(443) 377 Towson Cellco Partnership DBA Verizon Wireless Wireless
(443) 378 Baltimore Sprint Spectrum L.p. Wireless
(443) 379 Pikesville Comcast Phone Of Northern Maryland Landline
(443) 380 Baltimore Level 3 Communications Landline
(443) 381 Reisterstown Xo Maryland Landline
(443) 382 Cambridge Core Communications Landline
(443) 383 Westminster Ctc Communications Corp. Landline
(443) 384 Parkville Cavalier Telephone Mid-atlantic Landline
(443) 385 Easton Core Communications Landline
(443) 386 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 387 Pocomoke Core Communications Landline
(443) 388 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 389 Salisbury Core Communications Landline
(443) 390 Churchville Global Crossing Local Services-md Landline
(443) 391 Baltimore Global Crossing Local Services-md Landline
(443) 392 Baltimore AT&T Local Landline
(443) 393 Baltimore Global Crossing Local Services-md Landline
(443) 394 Pikesville Verizon Maryland Landline
(443) 395 Aberdeen Verizon Maryland Landline
(443) 396 Odenton Global Crossing Local Services-md Landline
(443) 397 Salisbury Cellco Partnership DBA Verizon Wireless Wireless
(443) 398 Sykesville Sprint Spectrum L.p. Wireless
(443) 399 Baltimore Global Crossing Local Services-md Landline
(443) 400 Baltimore Xo Maryland Landline
(443) 401 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 402 Edgewood Teleport Communications America Landline
(443) 403 Aberdeen Broadwing Communications. LLC Landline
(443) 404 Solomons Sprint Spectrum L.p. Wireless
(443) 405 Baltimore Global Crossing Local Services-md Landline
(443) 406 Elkton Teleport Communications America Landline
(443) 407 Baltimore Allegiance Telecom Landline
(443) 408 Baltimore Xo Maryland Landline
(443) 409 Edgewood Cavalier Telephone Mid-atlantic Landline
(443) 410 Baltimore Centurylink Communications LLC Landline
(443) 412 Churchville Teleport Communications America Landline
(443) 413 Baltimore Sprint Spectrum L.p. Wireless
(443) 414 Baltimore Sprint Spectrum L.p. Wireless
(443) 415 Baltimore Sprint Spectrum L.p. Wireless
(443) 416 Baltimore Sprint Spectrum L.p. Wireless
(443) 417 Fallston Teleport Communications America Landline
(443) 418 Baltimore Sprint Spectrum L.p. Wireless
(443) 419 Glenwood Cavalier Telephone Mid-atlantic Landline
(443) 420 Baltimore Global Crossing Local Services-md Landline
(443) 421 Fork New Cingular Wireless PCS - DC Wireless
(443) 422 Glen Burnie Leap Wireless Intl DBA Cricket Comm Wireless
(443) 423 Baltimore Broadwing Communications. LLC Landline
(443) 424 Cardiff Teleport Communications America Landline
(443) 425 Baltimore AT&T Local Landline
(443) 426 Baltimore Paetec Communications Landline
(443) 427 Princess Anne Core Communications Landline
(443) 428 Cockeysville Core Communications Landline
(443) 429 Woodlawn Cavalier Telephone Mid-atlantic Landline
(443) 430 Baltimore Xo Maryland Landline
(443) 431 Randallstown Xo Maryland Landline
(443) 432 Prince Frederick Ctc Communications Corp. Landline
(443) 433 Annapolis Xo Maryland Landline
(443) 434 Federalsburg Comcast Phone Of Northern Maryland Landline
(443) 435 Baltimore Sprint Spectrum L.p. Wireless
(443) 436 Woodlawn Verizon Maryland Landline
(443) 437 Pocomoke Teleport Communications America Landline
(443) 438 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 439 Trappe Cellco Partnership DBA Verizon Wireless Landline
(443) 440 Annapolis Verizon Maryland Landline
(443) 441 Glenwood Teleport Communications America Landline
(443) 442 Parkville Cavalier Telephone Mid-atlantic Landline
(443) 444 Baltimore Verizon Maryland Landline
(443) 445 Elkridge Verizon Maryland Landline
(443) 446 Queenstown Mci Worldcom Communications Landline
(443) 447 Baltimore Leap Wireless Intl DBA Cricket Comm Wireless
(443) 448 Denton Comcast Phone Of Northern Maryland Landline
(443) 449 Baltimore Broadview Networks Landline
(443) 450 Baltimore Level 3 Communications Landline
(443) 451 Baltimore Paetec Communications Landline
(443) 452 Baltimore Us Lec Of Maryland Landline
(443) 453 Baltimore Neutral Tandem-maryland Landline
(443) 454 Annapolis Omnipoint Communications Cap Operations Wireless
(443) 455 Baltimore Verizon Maryland Landline
(443) 456 Edgewood AT&T Local Landline
(443) 457 Baltimore Teleport Communications America Landline
(443) 458 Annapolis Allegiance Telecom Landline
(443) 459 Baltimore Paetec Communications Landline
(443) 460 Baltimore Allegiance Telecom Landline
(443) 461 Parkville Us Lec Of Maryland Landline
(443) 462 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 463 Baltimore Sprint Spectrum L.p. Wireless
(443) 464 Churchville Broadview Networks Landline
(443) 465 Towson Cellco Partnership DBA Verizon Wireless Wireless
(443) 466 Elkton Sprint Spectrum L.p. Wireless
(443) 467 Baltimore Leap Wireless Intl DBA Cricket Comm Wireless
(443) 468 Baltimore Sprint Spectrum L.p. Wireless
(443) 469 Baltimore Leap Wireless Intl DBA Cricket Comm Wireless
(443) 470 Towson Us Lec Of Maryland Landline
(443) 471 Columbia Us Lec Of Maryland Landline
(443) 472 Baltimore Level 3 Communications Landline
(443) 473 Baltimore Sprint Spectrum L.p. Wireless
(443) 474 Catonsville New Cingular Wireless PCS - DC Wireless
(443) 475 Baltimore Mci Worldcom Communications Landline
(443) 476 Annapolis Verizon Maryland Wireless
(443) 477 Cambridge Cellco Partnership DBA Verizon Wireless Wireless
(443) 478 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 479 Laurel Verizon Maryland Landline
(443) 480 Chestertown Cellco Partnership DBA Verizon Wireless Wireless
(443) 481 Annapolis Us Lec Of Maryland Landline
(443) 482 Annapolis Verizon Maryland Landline
(443) 483 Cardiff Broadwing Communications. LLC Landline
(443) 484 Edgewood Broadwing Communications. LLC Landline
(443) 485 Elkton Broadwing Communications. LLC Landline
(443) 486 Prince Frederick Broadwing Communications. LLC Landline
(443) 487 Westminster Broadwing Communications. LLC Landline
(443) 488 Baltimore Leap Wireless Intl DBA Cricket Comm Wireless
(443) 489 Baltimore Teleport Communications America Landline
(443) 490 Edgewood Global Crossing Local Services-md Landline
(443) 491 Parkton Global Crossing Local Services-md Landline
(443) 492 Baltimore Global Crossing Local Services-md Landline
(443) 493 Delmar Cellco Partnership DBA Verizon Wireless Wireless
(443) 494 Millersville Global Crossing Local Services-md Landline
(443) 495 Baltimore Global Crossing Local Services-md Landline
(443) 496 Easton Sprint Spectrum L.p. Wireless
(443) 497 Salisbury Sprint Spectrum L.p. Wireless
(443) 498 Baltimore Allegiance Telecom Landline
(443) 499 Jarrettsville Global Crossing Local Services-md Landline
(443) 500 Baltimore Leap Wireless Intl DBA Cricket Comm Wireless
(443) 501 Baltimore Global Crossing Local Services-md Landline
(443) 502 Havre De Grace Teleport Communications America Landline
(443) 503 Baltimore Xo Maryland Landline
(443) 504 Fallston Cavalier Telephone Mid-atlantic Landline
(443) 505 Baltimore Global Crossing Local Services-md Landline
(443) 506 Baltimore Sprint Spectrum L.p. Wireless
(443) 507 Hampstead Teleport Communications America Landline
(443) 508 Hampstead Cavalier Telephone Mid-atlantic Landline
(443) 509 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 510 Annapolis Cellco Partnership DBA Verizon Wireless Wireless
(443) 512 Edgewood Verizon Maryland Landline
(443) 513 Berlin New Cingular Wireless PCS - DC Wireless
(443) 514 Columbia Us Lec Of Maryland Landline
(443) 515 Cambridge Cellco Partnership DBA Verizon Wireless Wireless
(443) 516 Sykesville Global Crossing Local Services-md Landline
(443) 517 Baltimore Global Crossing Local Services-md Landline
(443) 518 Columbia Verizon Maryland Landline
(443) 519 Baltimore Global Crossing Local Services-md Landline
(443) 520 Catonsville New Cingular Wireless PCS - DC Wireless
(443) 521 Cambridge Cellco Partnership DBA Verizon Wireless Wireless
(443) 522 Reisterstown Paetec Communications Landline
(443) 523 Salisbury Verizon Maryland Landline
(443) 524 Baltimore Allegiance Telecom Landline
(443) 525 Baltimore Leap Wireless Intl DBA Cricket Comm Wireless
(443) 526 Havre De Grace Ctc Communications Corp. Landline
(443) 527 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 528 Bel Air Sprint Spectrum L.p. Wireless
(443) 529 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 530 Baltimore Paetec Communications Landline
(443) 531 Baltimore Leap Wireless Intl DBA Cricket Comm Wireless
(443) 532 Prince Frederick Sprint Spectrum L.p. Wireless
(443) 533 Jarrettsville Teleport Communications America Landline
(443) 534 Annapolis Cellco Partnership DBA Verizon Wireless Landline
(443) 535 Columbia Verizon Maryland Landline
(443) 536 Westminster Sprint Spectrum L.p. Wireless
(443) 537 Columbia Verizon Maryland Landline
(443) 538 Columbia Omnipoint Communications Cap Operations Wireless
(443) 539 Columbia Us Lec Of Maryland Landline
(443) 540 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 541 Baltimore Paetec Communications Landline
(443) 542 Columbia Comcast Phone Of Northern Maryland Landline
(443) 543 Arbutus Verizon Maryland Landline
(443) 544 Pikesville Cavalier Telephone Mid-atlantic Landline
(443) 545 Columbia Broadwing Communications. LLC Landline
(443) 546 Baltimore Verizon Maryland Landline
(443) 547 Westminster Cellco Partnership DBA Verizon Wireless Wireless
(443) 548 Baltimore Allegiance Telecom Landline
(443) 549 Dundalk Us Lec Of Maryland Landline
(443) 550 North Beach Level 3 Communications Landline
(443) 551 Baltimore Level 3 Communications Landline
(443) 552 Baltimore Verizon Maryland Landline
(443) 553 Elkton Cellco Partnership DBA Verizon Wireless Wireless
(443) 554 Middle River Omnipoint Communications Cap Operations Wireless
(443) 556 Cockeysville Verizon Maryland Landline
(443) 557 Baltimore Allegiance Telecom Landline
(443) 558 Aberdeen Xo Maryland Landline
(443) 559 Essex Comcast Phone Of Northern Maryland Landline
(443) 560 Baltimore Sprint Spectrum L.p. Wireless
(443) 561 Columbia Us Lec Of Maryland Landline
(443) 562 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 563 Baltimore Sprint Spectrum L.p. Wireless
(443) 564 Baltimore Level 3 Communications Landline
(443) 565 Randallstown Cavalier Telephone Mid-atlantic Landline
(443) 566 Chesapeake City Cellco Partnership DBA Verizon Wireless Wireless
(443) 567 Bel Air Level 3 Communications Landline
(443) 568 Arbutus Allegiance Telecom Landline
(443) 569 Annapolis Level 3 Communications Landline
(443) 570 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 571 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 572 Glen Burnie Verizon Maryland Landline
(443) 573 Columbia Us Lec Of Maryland Landline
(443) 574 Ellicott City Us Lec Of Maryland Landline
(443) 575 Arbutus Cavalier Telephone Mid-atlantic Landline
(443) 576 Baltimore Allegiance Telecom Landline
(443) 577 Columbia Us Lec Of Maryland Landline
(443) 578 Baltimore Xo Maryland Landline
(443) 579 Essex Us Lec Of Maryland Landline
(443) 580 Baltimore Sprint Spectrum L.p. Wireless
(443) 581 Middle River Xo Maryland Landline
(443) 582 Churchville Ctc Communications Corp. Landline
(443) 583 Columbia Ctc Communications Corp. Landline
(443) 584 Crofton Ctc Communications Corp. Landline
(443) 585 Darlington Ctc Communications Corp. Landline
(443) 586 Dundalk Xo Maryland Landline
(443) 587 Edgewood Ctc Communications Corp. Landline
(443) 588 Baltimore Allegiance Telecom Landline
(443) 589 Cockeysville Us Lec Of Maryland Landline
(443) 590 Reisterstown Global Crossing Local Services-md Landline
(443) 591 Glen Burnie Cellco Partnership DBA Verizon Wireless Wireless
(443) 592 Elkridge Xo Maryland Landline
(443) 593 Elkton Ctc Communications Corp. Landline
(443) 594 Baltimore Global Crossing Local Services-md Landline
(443) 595 Sparks Glencoe Global Crossing Local Services-md Landline
(443) 596 Essex Xo Maryland Landline
(443) 597 Severna Park Global Crossing Local Services-md Landline
(443) 598 Sherwood Forest Global Crossing Local Services-md Landline
(443) 599 Baltimore Global Crossing Local Services-md Landline
(443) 600 Essex Omnipoint Communications Cap Operations Wireless
(443) 601 Fallston Ctc Communications Corp. Landline
(443) 602 Catonsville Cellco Partnership DBA Verizon Wireless Wireless
(443) 603 Annapolis Paetec Communications Landline
(443) 604 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 605 Westminster Cavalier Telephone Mid-atlantic Landline
(443) 606 Fork Ctc Communications Corp. Landline
(443) 607 West River Cavalier Telephone Mid-atlantic Landline
(443) 608 Towson Leap Wireless Intl DBA Cricket Comm Wireless
(443) 609 Sykesville Cavalier Telephone Mid-atlantic Landline
(443) 610 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 612 Catonsville Verizon Maryland Landline
(443) 613 Towson Leap Wireless Intl DBA Cricket Comm Wireless
(443) 614 Salisbury Cellco Partnership DBA Verizon Wireless Wireless
(443) 615 Catonsville Cellco Partnership DBA Verizon Wireless Wireless
(443) 616 Bel Air Cavalier Telephone Mid-atlantic Landline
(443) 617 Fallston Cellco Partnership DBA Verizon Wireless Wireless
(443) 618 Glen Burnie Cellco Partnership DBA Verizon Wireless Wireless
(443) 619 Bel Air Cellco Partnership DBA Verizon Wireless Wireless
(443) 620 Baltimore Teleport Communications America Landline
(443) 621 Baltimore Sprint Spectrum L.p. Wireless
(443) 622 Baltimore Sprint Spectrum L.p. Wireless
(443) 623 Glen Burnie Sprint Spectrum L.p. Wireless
(443) 624 Prince Frederick Cellco Partnership DBA Verizon Wireless Wireless
(443) 625 Fork Broadwing Communications. LLC Landline
(443) 626 Middle River Cavalier Telephone Mid-atlantic Landline
(443) 627 Baltimore Verizon Maryland Landline
(443) 628 Glen Burnie Xo Maryland Landline
(443) 629 Baltimore Sprint Spectrum L.p. Wireless
(443) 630 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 631 Catonsville New Cingular Wireless PCS - DC Wireless
(443) 632 Towson Us Lec Of Maryland Landline
(443) 633 Baltimore Sprint Spectrum L.p. Wireless
(443) 634 Odenton Verizon Maryland Landline
(443) 635 Baltimore Leap Wireless Intl DBA Cricket Comm Wireless
(443) 636 Catonsville Omnipoint Communications Cap Operations Landline
(443) 637 Baltimore Xo Maryland Landline
(443) 638 Ellicott City Global Naps South Landline
(443) 639 Hampstead Ctc Communications Corp. Landline
(443) 640 Bel Air Us Lec Of Maryland Landline
(443) 641 Pikesville Broadwing Communications. LLC Landline
(443) 642 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 643 Bel Air Verizon Maryland Landline
(443) 644 Jarrettsville Ctc Communications Corp. Landline
(443) 645 Millersville Ctc Communications Corp. Landline
(443) 646 North Beach Ctc Communications Corp. Landline
(443) 647 New Windsor Ctc Communications Corp. Landline
(443) 648 Baltimore Teleport Communications America Landline
(443) 649 Sparrows Point Us Lec Of Maryland Landline
(443) 650 Reisterstown Allegiance Telecom Landline
(443) 651 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 652 Towson Verizon Maryland Landline
(443) 653 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 654 Jessup Verizon Maryland Landline
(443) 655 Bel Air New Cingular Wireless PCS - DC Wireless
(443) 656 Columbia Cavalier Telephone Mid-atlantic Landline
(443) 657 Randallstown Tw Telecom Of Maryland LLC Landline
(443) 658 Woodlawn Global Naps South Landline
(443) 659 West River Global Naps South Landline
(443) 660 Baltimore Comcast Phone Of Northern Maryland Landline
(443) 661 Jessup Cavalier Telephone Mid-atlantic Landline
(443) 662 Sparks Glencoe Cavalier Telephone Mid-atlantic Landline
(443) 663 Woodlawn Verizon Maryland Landline
(443) 664 Ocean City Cavalier Telephone (mid-atlantic) Landline
(443) 665 Nanticoke Cavalier Telephone (mid-atlantic) Landline
(443) 666 Chestertown Level 3 Communications Wireless
(443) 668 Catonsville New Cingular Wireless PCS - DC Wireless
(443) 669 Delmar Cavalier Telephone (mid-atlantic) Landline
(443) 670 Catonsville Cavalier Telephone Mid-atlantic Landline
(443) 671 New Windsor Teleport Communications America Landline
(443) 672 Parkton Teleport Communications America Landline
(443) 673 Brooklyn Cavalier Telephone Mid-atlantic Landline
(443) 674 North East Teleport Communications America Landline
(443) 675 Randallstown Cavalier Telephone (mid-atlantic) Landline
(443) 676 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 677 Baltimore Sprint Spectrum L.p. Wireless
(443) 678 Parkville Verizon Maryland Landline
(443) 679 Baltimore Teleport Communications America Landline
(443) 680 Baltimore Sprint Spectrum L.p. Wireless
(443) 681 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 682 Baltimore Cellco Partnership DBA Verizon Wireless Landline
(443) 683 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 684 Prince Frederick Cellco Partnership DBA Verizon Wireless Wireless
(443) 685 Severn Cavalier Telephone (mid-atlantic) Landline
(443) 686 Fallston Sprint Spectrum L.p. Wireless
(443) 687 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 688 Severn Cavalier Telephone Mid-atlantic Landline
(443) 689 Cockeysville Cavalier Telephone Mid-atlantic Landline
(443) 690 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 691 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 692 Baltimore Allegiance Telecom Landline
(443) 693 Perryville Teleport Communications America Landline
(443) 694 Severna Park Sprint Spectrum L.p. Wireless
(443) 695 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 696 Dundalk Cavalier Telephone Mid-atlantic Landline
(443) 697 Catonsville Global Naps South Landline
(443) 698 Odenton Teleport Communications America Landline
(443) 699 Annapolis Cellco Partnership DBA Verizon Wireless Wireless
(443) 701 Arbutus Xo Maryland Landline
(443) 702 Pasadena Cavalier Telephone Mid-atlantic Landline
(443) 703 Baltimore Xo Maryland Landline
(443) 704 Odenton Cavalier Telephone Mid-atlantic Landline
(443) 705 Cockeysville Xo Maryland Landline
(443) 706 Crisfield Cavalier Telephone (mid-atlantic) Landline
(443) 707 Local Access LLC Unknown
(443) 708 Baltimore Tw Telecom Of Maryland LLC Landline
(443) 709 Arbutus Cavalier Telephone Mid-atlantic Landline
(443) 710 Baltimore Xo Maryland Landline
(443) 712 Reisterstown Cavalier Telephone Mid-atlantic Landline
(443) 713 Columbia Peerless Network Of Maryland Wireless
(443) 714 Columbia Sprint Spectrum L.p. Landline
(443) 715 North East Cavalier Telephone (mid-atlantic) Landline
(443) 716 Annapolis Cavalier Telephone Mid-atlantic Landline
(443) 717 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 718 Columbia Us Lec Of Maryland Landline
(443) 719 Jarrettsville Cavalier Telephone Mid-atlantic Landline
(443) 720 Elkton Xo Maryland Landline
(443) 721 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 722 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 723 Brooklyn Sprint Spectrum L.p. Landline
(443) 724 Easton Cavalier Telephone (mid-atlantic) Landline
(443) 725 Baltimore Paetec Communications Landline
(443) 726 Towson Sprint Spectrum L.p. Landline
(443) 727 Bishopville Cavalier Telephone (mid-atlantic) Landline
(443) 728 Berlin Cavalier Telephone (mid-atlantic) Landline
(443) 729 Baltimore Paetec Communications Landline
(443) 730 Baltimore Paetec Communications Landline
(443) 731 Port Deposit Teleport Communications America Landline
(443) 732 Westminster Teleport Communications America Landline
(443) 733 Baltimore AT&T Local Landline
(443) 734 Severn Verizon Maryland Landline
(443) 735 Salisbury New Cingular Wireless PCS - DC Wireless
(443) 736 Salisbury New Cingular Wireless PCS - DC Wireless
(443) 737 Baltimore Paetec Communications Landline
(443) 738 Baltimore Paetec Communications Landline
(443) 739 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 740 Baltimore Telcove Operations Landline
(443) 741 Columbia Mci Worldcom Communications Landline
(443) 742 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 743 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 744 Reisterstown Sprint Spectrum L.p. Wireless
(443) 745 Columbia Cellco Partnership DBA Verizon Wireless Wireless
(443) 746 Easton Level 3 Communications Landline
(443) 747 Port Deposit Core Communications Landline
(443) 748 Millersville Cavalier Telephone Mid-atlantic Landline
(443) 749 Baltimore Cavalier Telephone Mid-atlantic Landline
(443) 750 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 751 Woodlawn Cavalier Telephone Mid-atlantic Landline
(443) 752 Bel Air Cellco Partnership DBA Verizon Wireless Landline
(443) 753 Jessup Allegiance Telecom Landline
(443) 754 Salisbury Cellco Partnership DBA Verizon Wireless Wireless
(443) 755 Elkridge Verizon Maryland Landline
(443) 756 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 757 Elkridge Cavalier Telephone Mid-atlantic Landline
(443) 758 Annapolis AT&T Local Landline
(443) 759 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 760 Aberdeen AT&T Local Landline
(443) 761 Towson Omnipoint Communications Cap Operations Wireless
(443) 762 Baltimore Sprint Spectrum L.p. Wireless
(443) 763 Baltimore Omnipoint Communications Cap Operations Landline
(443) 764 Glen Burnie Omnipoint Communications Cap Operations Wireless
(443) 765 Catonsville New Cingular Wireless PCS - DC Wireless
(443) 766 Columbia Us Lec Of Maryland Landline
(443) 767 Reisterstown Cavalier Telephone Mid-atlantic Landline
(443) 768 Baltimore Sprint Spectrum L.p. Wireless
(443) 769 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 770 Pasadena Verizon Maryland Landline
(443) 771 Prince Frederick Cellco Partnership DBA Verizon Wireless Wireless
(443) 772 Essex Cavalier Telephone Mid-atlantic Landline
(443) 773 Baltimore Allegiance Telecom Landline
(443) 774 Baltimore Global Naps South Landline
(443) 776 Baltimore Bandwidth.com Clec Landline
(443) 777 Essex Verizon Maryland Landline
(443) 778 Laurel Verizon Maryland Landline
(443) 779 Aberdeen Xo Maryland Landline
(443) 780 Columbia Us Lec Of Maryland Landline
(443) 781 Pasadena Xo Maryland Landline
(443) 782 Annapolis Xo Maryland Landline
(443) 783 Salisbury Cellco Partnership DBA Verizon Wireless Wireless
(443) 784 Baltimore Teleport Communications America Landline
(443) 785 Arbutus Global Naps South Landline
(443) 786 Easton Cellco Partnership DBA Verizon Wireless Wireless
(443) 787 Bel Air Ctc Communications Corp. Landline
(443) 788 Aberdeen Xo Maryland Landline
(443) 789 Westminster New Cingular Wireless PCS - DC Wireless
(443) 790 Glen Burnie Sprint Spectrum L.p. Wireless
(443) 791 Towson New Cingular Wireless PCS - DC Wireless
(443) 792 Brooklyn Verizon Maryland Landline
(443) 793 Baltimore Xo Maryland Landline
(443) 794 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 795 Baltimore Xo Maryland Landline
(443) 796 Baltimore Xo Maryland Landline
(443) 797 Baltimore Xo Maryland Landline
(443) 798 Towson Tw Telecom Of Maryland LLC Landline
(443) 799 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 800 Baltimore Sprint Spectrum L.p. Wireless
(443) 801 Baltimore Sprint Spectrum L.p. Wireless
(443) 802 Baltimore Sprint Spectrum L.p. Wireless
(443) 803 Baltimore Sprint Spectrum L.p. Wireless
(443) 804 Baltimore Sprint Spectrum L.p. Wireless
(443) 805 Glen Burnie Omnipoint Communications Cap Operations Wireless
(443) 806 Baltimore Sprint Spectrum L.p. Wireless
(443) 807 Fallston Sprint Spectrum L.p. Wireless
(443) 808 Annapolis Bandwidth.com Clec Landline
(443) 809 Level 3 Communications Unknown
(443) 810 Baltimore Sprint Spectrum L.p. Wireless
(443) 812 Columbia Cellco Partnership DBA Verizon Wireless Wireless
(443) 813 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 814 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 815 Baltimore Xo Maryland Landline
(443) 816 Severna Park Allegiance Telecom Landline
(443) 817 Baltimore Allegiance Telecom Landline
(443) 818 Pasadena Level 3 Communications Landline
(443) 820 Baltimore Paetec Communications Landline
(443) 821 Westminster Sprint Spectrum L.p. Wireless
(443) 822 Annapolis Sprint Spectrum L.p. Wireless
(443) 823 Towson Cellco Partnership DBA Verizon Wireless Wireless
(443) 824 Towson Omnipoint Communications Cap Operations Wireless
(443) 825 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 826 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 827 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 828 Ellicott City Cavalier Telephone Mid-atlantic Landline
(443) 829 Baltimore Sprint Spectrum L.p. Wireless
(443) 830 Catonsville Cavalier Telephone Mid-atlantic Landline
(443) 831 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 832 Baltimore Level 3 Communications Landline
(443) 833 Arbutus Us Lec Of Maryland Landline
(443) 834 Towson Cavalier Telephone Mid-atlantic Landline
(443) 835 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 836 Baltimore Xo Maryland Landline
(443) 837 Annapolis Us Lec Of Maryland Landline
(443) 838 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 839 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 840 Catonsville New Cingular Wireless PCS - DC Wireless
(443) 841 Baltimore Verizon Maryland Landline
(443) 842 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 843 Havre De Grace Verizon Maryland Landline
(443) 844 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 845 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 846 Towson New Cingular Wireless PCS - DC Landline
(443) 847 Towson Cellco Partnership DBA Verizon Wireless Wireless
(443) 848 Baltimore Sprint Spectrum L.p. Landline
(443) 849 Towson Verizon Maryland Landline
(443) 850 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 851 Catonsville Omnipoint Communications Cap Operations Wireless
(443) 852 Annapolis New Cingular Wireless PCS - DC Wireless
(443) 853 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 854 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 855 Aberdeen Lightwave Communications Landline
(443) 856 Ocean City Core Communications Landline
(443) 857 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 858 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 859 Salisbury Omnipoint Communications Cap Operations Wireless
(443) 860 Catonsville New Cingular Wireless PCS - DC Wireless
(443) 861 Aberdeen Verizon Maryland Landline
(443) 862 Towson Cellco Partnership DBA Verizon Wireless Wireless
(443) 863 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 864 Columbia Sprint Spectrum L.p. Wireless
(443) 865 Baltimore Sprint Spectrum L.p. Wireless
(443) 866 Bel Air Sprint Spectrum L.p. Wireless
(443) 867 Glen Burnie Paetec Communications Landline
(443) 868 Baltimore Verizon Maryland Landline
(443) 869 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 870 Pikesville Tw Telecom Of Maryland LLC Landline
(443) 871 Annapolis Sprint Spectrum L.p. Wireless
(443) 872 Baltimore Cavalier Telephone Mid-atlantic Landline
(443) 873 Pikesville Broadvox-clec Landline
(443) 874 Baltimore Cavalier Telephone Mid-atlantic Landline
(443) 875 Annapolis New Cingular Wireless PCS - DC Landline
(443) 876 Bel Air Sprint Spectrum L.p. Landline
(443) 877 North East Level 3 Communications Landline
(443) 878 Baltimore Cellco Partnership DBA Verizon Wireless Landline
(443) 879 Baltimore Verizon Maryland Landline
(443) 880 Salisbury AT&T Local Landline
(443) 881 Reisterstown Sprint Spectrum L.p. Wireless
(443) 882 Baltimore Sprint Spectrum L.p. Wireless
(443) 883 Baltimore AT&T Local Landline
(443) 884 Baltimore Cavalier Telephone Mid-atlantic Landline
(443) 885 Baltimore Verizon Maryland Landline
(443) 886 Baltimore AT&T Local Landline
(443) 887 Harmans Cavalier Telephone Mid-atlantic Landline
(443) 888 Princess Anne Cavalier Telephone (mid-atlantic) Landline
(443) 889 Glen Burnie Omnipoint Communications Cap Operations Wireless
(443) 890 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 891 Baltimore Xo Maryland Landline
(443) 892 New Windsor Bandwidth.com Clec Landline
(443) 893 Baltimore Xo Maryland Landline
(443) 894 Baltimore Sprint Spectrum L.p. Wireless
(443) 895 Towson Cellco Partnership DBA Verizon Wireless Wireless
(443) 896 Baltimore AT&T Local Landline
(443) 897 Baltimore Leap Wireless Intl DBA Cricket Comm Wireless
(443) 898 Pikesville Level 3 Communications Landline
(443) 899 Elkridge Broadwing Communications. LLC Landline
(443) 900 Towson Cellco Partnership DBA Verizon Wireless Wireless
(443) 901 Towson Cavalier Telephone Mid-atlantic Landline
(443) 902 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 903 Bel Air Cellco Partnership DBA Verizon Wireless Wireless
(443) 904 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 905 Annapolis Sprint Spectrum L.p. Wireless
(443) 906 Severna Park Peerless Network Of Maryland Landline
(443) 907 Elkton Cellco Partnership DBA Verizon Wireless Wireless
(443) 908 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 909 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 910 Bel Air New Cingular Wireless PCS - DC Wireless
(443) 912 Towson Core Communications Landline
(443) 913 Baltimore Sprint Spectrum L.p. Wireless
(443) 914 Reisterstown Teleport Communications America Landline
(443) 915 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 916 Baltimore Sprint Spectrum L.p. Wireless
(443) 917 Columbia Broadvox-clec Wireless
(443) 918 Taneytown Teleport Communications America Landline
(443) 919 Baltimore Cavalier Telephone Mid-atlantic Landline
(443) 920 Sykesville Teleport Communications America Landline
(443) 921 Baltimore Paetec Communications Landline
(443) 922 Edgewood Atx Telecommunications Services, Ltd Landline
(443) 923 Baltimore Cavalier Telephone Mid-atlantic Landline
(443) 924 Annapolis Cellco Partnership DBA Verizon Wireless Wireless
(443) 925 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 926 Annapolis Broadwing Communications. LLC Landline
(443) 927 Baltimore Broadwing Communications. LLC Landline
(443) 928 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 929 Pikesville Omnipoint Communications Cap Operations Wireless
(443) 930 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 931 Baltimore Mci Worldcom Communications Landline
(443) 932 Baltimore Sprint Spectrum L.p. Wireless
(443) 933 Cockeysville Teleport Communications America Landline
(443) 934 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 935 Towson New Cingular Wireless PCS - DC Wireless
(443) 937 Union Bridge Teleport Communications America Landline
(443) 938 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 939 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 940 Pikesville Cavalier Telephone Mid-atlantic Landline
(443) 941 Elkton New Cingular Wireless PCS - DC Wireless
(443) 942 Severna Park Teleport Communications America Landline
(443) 943 Baltimore Teleport Communications America Landline
(443) 944 Salisbury Comcast Phone Of Northern Maryland Landline
(443) 945 Elkton New Cingular Wireless PCS - DC Wireless
(443) 946 Parkville Xo Maryland Landline
(443) 947 Perryville Ctc Communications Corp. Landline
(443) 948 Baltimore Sprint Spectrum L.p. Wireless
(443) 949 Annapolis Comcast Phone Of Northern Maryland Landline
(443) 951 Annapolis Global Crossing Local Services-md Landline
(443) 952 Westminster Cellco Partnership DBA Verizon Wireless Wireless
(443) 953 Salisbury Cellco Partnership DBA Verizon Wireless Wireless
(443) 954 Baltimore Paetec Communications Landline
(443) 955 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 956 Baltimore New Cingular Wireless PCS - DC Wireless
(443) 957 Baltimore AT&T Local Landline
(443) 960 Glen Burnie Cellco Partnership DBA Verizon Wireless Wireless
(443) 962 Glen Burnie Cellco Partnership DBA Verizon Wireless Wireless
(443) 963 Baltimore Halo Wireless Services Wireless
(443) 964 North Beach Level 3 Communications Landline
(443) 965 Baltimore Sprint Spectrum L.p. Wireless
(443) 966 Fallston Cellco Partnership DBA Verizon Wireless Wireless
(443) 967 North East Verizon Maryland Landline
(443) 968 Prince Frederick New Cingular Wireless PCS - DC Wireless
(443) 969 Essex Cavalier Telephone Mid-atlantic Landline
(443) 970 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 971 Taneytown Bandwidth.com Clec Landline
(443) 972 Cambridge Us Lec Of Maryland Wireless
(443) 973 Baltimore Xo Maryland Landline
(443) 974 Westminster Teleport Communications America Landline
(443) 975 Prince Frederick New Cingular Wireless PCS - DC Wireless
(443) 976 Baltimore-washington Telephone (bwt) Unknown
(443) 977 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 978 Salisbury Cellco Partnership DBA Verizon Wireless Wireless
(443) 979 Columbia Cellco Partnership DBA Verizon Wireless Wireless
(443) 980 Catonsville New Cingular Wireless PCS - DC Wireless
(443) 981 Fallston Cellco Partnership DBA Verizon Wireless Wireless
(443) 982 Baltimore Ymax Communications Corp. Landline
(443) 983 Baltimore Omnipoint Communications Cap Operations Wireless
(443) 984 Baltimore Verizon Maryland Landline
(443) 985 Randallstown Omnipoint Communications Cap Operations Wireless
(443) 986 Baltimore Cellco Partnership DBA Verizon Wireless Wireless
(443) 987 Bel Air AT&T Local Landline
(443) 988 Centreville Level 3 Communications Landline
(443) 989 Glen Burnie Cavalier Telephone Mid-atlantic Landline
(443) 990 Baltimore Bandwidth.com Clec Landline
(443) 991 Towson Cellco Partnership DBA Verizon Wireless Wireless
(443) 992 Baltimore Level 3 Communications Landline
(443) 993 Elkton Metro PCS Wireless
(443) 994 Annapolis New Cingular Wireless PCS - DC Wireless
(443) 995 Annapolis New Cingular Wireless PCS - DC Wireless
(443) 996 Catonsville New Cingular Wireless PCS - DC Wireless
(443) 997 Baltimore Verizon Maryland Landline
(443) 998 Parkville Verizon Maryland Landline