Area Code 240

 
Area Code 240 Select Prefixes
240 is the area code for western Maryland including its Washington DC suburbs. It was created as an overlay to area code 301 in 1997.
Area Code : 240
State : Maryland
Timezoon : Eastern
Major City : Gaithersburg
 
Main Cities on 240
Aspen Hill, MD ; Bethesda, MD ; Bowie, MD ; Chillum, MD ; Clinton, MD ; College Park, MD ; Cumberland, MD ; Fairland, MD ; Fort Washington, MD ; Frederick, MD ; Gaithersburg, MD ; Germantown, MD ; Greenbelt, MD ; Hagerstown, MD ; Landover, MD ; Montgomery Village, MD ; North Bethesda, MD ; North Laurel, MD ; North Potomac, MD ; Olney, MD ; Oxon Hill-glassmanor, MD ; Potomac, MD ; Rockville, MD ; Silver Spring, MD ; South Laurel, MD ; St. Charles, MD ; Suitland, MD ; Waldorf, MD ; Wheaton-glenmont, MD ; White Oak, MD
 

Area Code Directory :

    (240) 0xx-xxxx

Area Code 240 Prefixes

PrefixLinksPrimary CityService ProviderLine Type
428(240) 428-ABCD Rockville, MDBandwidth.com ClecUnknown
429(240) 429-ABCD Silver Spring, MDCellco Partnership DBA Verizon WirelessUnknown
430(240) 430-ABCD Kensington, MDCavalier Telephone Mid-atlanticLandline
431(240) 431-ABCD Tall Timbers, MDSprint Spectrum L.p.Cell Number
427(240) 427-ABCD Waldorf, MDXo MarylandLandline
426(240) 426-ABCD Bethesda, MDSprint Spectrum L.p.Cell Number
425(240) 425-ABCD Cabin John, MDDslnet Communications VaLandline
424(240) 424-ABCD Mount Rainier, MDSprint Spectrum L.p.Unknown
423(240) 423-ABCD Silver Spring, MDOmnipoint Communications Cap OperationsCell Number
422(240) 422-ABCD Frederick, MDOmnipoint Communications Cap OperationsCell Number
421(240) 421-ABCD Rockville, MDOmnipoint Communications Cap OperationsCell Number
420(240) 420-ABCD Hagerstown, MDVerizon MarylandLandline
419(240) 419-ABCD Waldorf, MDCellco Partnership DBA Verizon WirelessUnknown
418(240) 418-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
417(240) 417-ABCD Capitol Heights, MDNextel CommunicationsCell Number
416(240) 416-ABCD Waldorf, MDNew Cingular Wireless PCS - DCCell Number
415(240) 415-ABCD Frederick, MDYmax Communications Corp.Unknown
414(240) 414-ABCD Oxon Hill, MDGlobal Naps SouthLandline
413(240) 413-ABCD Hyattsville, MDOmnipoint Communications Cap OperationsCell Number
412(240) 412-ABCD Waldorf, MDSprint Spectrum L.p.Cell Number
409(240) 409-ABCD Frederick, MDNew Cingular Wireless PCS - DCCell Number
408(240) 408-ABCD Rockville, MDLeap Wireless Intl DBA Cricket CommUnknown
407(240) 407-ABCD Mount Rainier, MDGlobal Crossing Local Services-mdLandline
406(240) 406-ABCD Rockville, MDLeap Wireless Intl DBA Cricket CommUnknown
405(240) 405-ABCD Frederick, MDUs Lec Of MarylandLandline
404(240) 404-ABCD Gaithersburg, MDXo MarylandLandline
403(240) 403-ABCD Rockville, MDCavalier Telephone Mid-atlanticLandline
402(240) 402-ABCD College Park, MDMci Worldcom CommunicationsUnknown
401(240) 401-ABCD Rockville, MDNew Cingular Wireless PCS - DCCell Number
399(240) 399-ABCD Chevy Chase, MDXo MarylandLandline
398(240) 398-ABCD Silver Spring, MDNextel CommunicationsCell Number
397(240) 397-ABCD Frederick, MDCellco Partnership DBA Verizon WirelessUnknown
396(240) 396-ABCD Mount Rainier, MDGlobal Crossing Local Services-mdLandline
395(240) 395-ABCD Bethesda, MDCavalier Telephone Mid-atlanticLandline
394(240) 394-ABCD Mount Airy, MDNew Cingular Wireless PCS - DCCell Number
393(240) 393-ABCD Silver Spring, MDCellco Partnership DBA Verizon WirelessCell Number
392(240) 392-ABCD Capitol Heights, MDStarpower CommunicationsLandline
391(240) 391-ABCD Mount Rainier, MDGlobal Crossing Local Services-mdLandline
390(240) 390-ABCD Sandy Spring, MDCavalier Telephone Mid-atlanticLandline
389(240) 389-ABCD Sandy Spring, MDAtx Telecommunications Services, LtdLandline
388(240) 388-ABCD Gaithersburg, MDNextel CommunicationsCell Number
387(240) 387-ABCD Chevy Chase, MDCavalier East LLCLandline
386(240) 386-ABCD Gaithersburg, MDVerizon MarylandLandline
385(240) 385-ABCD Myersville, MDVerizon MarylandLandline
384(240) 384-ABCD Callaway, MDGlobal Naps SouthLandline
383(240) 383-ABCD Chevy Chase, MDNew Cingular Wireless PCS - DCCell Number
382(240) 382-ABCD Hagerstown, MDTeleport Communications Group AmericaUnknown
381(240) 381-ABCD Silver Spring, MDNew Cingular Wireless PCS - DCCell Number
380(240) 380-ABCD Cabin John, MDCellco Partnership DBA Verizon WirelessUnknown
379(240) 379-ABCD Frederick, MDVerizon MarylandLandline
378(240) 378-ABCD Cumberland, MDCore CommunicationsLandline
377(240) 377-ABCD Indian Head, MDGlobal Crossing Local Services-mdLandline
376(240) 376-ABCD Hughesville, MDGlobal Naps SouthLandline
375(240) 375-ABCD Capitol Heights, MDNextel CommunicationsCell Number
374(240) 374-ABCD Laurel, MDGlobal Crossing Local Services-mdLandline
373(240) 373-ABCD Odenton, MDVerizon MarylandLandline
372(240) 372-ABCD Gaithersburg, MDNextel CommunicationsCell Number
371(240) 371-ABCD Silver Spring, MDGlobal Naps SouthLandline
370(240) 370-ABCD Bethesda, MDSprint Spectrum L.p.Unknown
369(240) 369-ABCD Mount Airy, MDCore CommunicationsLandline
368(240) 368-ABCD Waldorf, MDGlobal Naps SouthLandline
367(240) 367-ABCD Frederick, MDNextel CommunicationsCell Number
366(240) 366-ABCD Williamsport, MDAT&T LocalLandline
365(240) 365-ABCD Damascus, MDBaltimore-washington Telephone BwtLandline
364(240) 364-ABCD Gaithersburg, MDCavalier East LLCLandline
363(240) 363-ABCD Kensington, MDGlobal Naps SouthLandline
362(240) 362-ABCD Cumberland, MDVerizon MarylandLandline
361(240) 361-ABCD Gaithersburg, MDCavalier Telephone Mid-atlanticLandline
359(240) 359-ABCD Indian Head, MDGlobal Naps SouthLandline
358(240) 358-ABCD Damascus, MDGlobal Naps SouthLandline
357(240) 357-ABCD Frederick, MDCellco Partnership DBA Verizon WirelessUnknown
356(240) 356-ABCD Frederick, MDLevel 3 CommunicationsLandline
355(240) 355-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
354(240) 354-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
353(240) 353-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
352(240) 352-ABCD La Plata, MDGlobal Naps SouthLandline
351(240) 351-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
350(240) 350-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
349(240) 349-ABCD La Plata, MDGlobal Crossing Local Services-mdLandline
348(240) 348-ABCD Clinton, MDLevel 3 CommunicationsLandline
347(240) 347-ABCD Hagerstown, MDBandwidth.com ClecUnknown
346(240) 346-ABCD Waldorf, MDSprint Spectrum L.p.Cell Number
345(240) 345-ABCD Sandy Spring, MDLevel 3 CommunicationsUnknown
344(240) 344-ABCD Frederick, MDNew Cingular Wireless PCS - DCCell Number
343(240) 343-ABCD Cellco Partnership DBA Verizon WirelessUnknown
342(240) 342-ABCD Sandy Spring, MDStarpower CommunicationsLandline
341(240) 341-ABCD Adamstown, MDMci Worldcom CommunicationsUnknown
339(240) 339-ABCD Upper Marlboro, MDCavalier East LLCLandline
338(240) 338-ABCD Silver Spring, MDCellco Partnership DBA Verizon WirelessCell Number
337(240) 337-ABCD Capitol Heights, MDGlobal Naps SouthLandline
336(240) 336-ABCD Bethesda, MDCore CommunicationsLandline
335(240) 335-ABCD Glenn Dale, MDCavalier Telephone Mid-atlanticLandline
334(240) 334-ABCD Mount Rainier, MDGlobal Crossing Local Services-mdLandline
333(240) 333-ABCD Mount Rainier, MDCavalier East LLCLandline
332(240) 332-ABCD Newburg, MDGlobal Naps SouthLandline
331(240) 331-ABCD Silver Spring, MDGlobal Naps SouthLandline
330(240) 330-ABCD Cabin John, MDSprint Spectrum L.p.Unknown
329(240) 329-ABCD Hagerstown, MDLevel 3 CommunicationsLandline
328(240) 328-ABCD Rockville, MDVerizon MarylandLandline
327(240) 327-ABCD Gaithersburg, MDCore CommunicationsLandline
326(240) 326-ABCD Upper Marlboro, MDCavalier Telephone Mid-atlanticLandline
325(240) 325-ABCD Damascus, MDCore CommunicationsLandline
324(240) 324-ABCD Clarksville, MDYmax Communications Corp.Unknown
323(240) 323-ABCD Emmitsburg, MDCore CommunicationsLandline
322(240) 322-ABCD Mccoole, MDCore CommunicationsLandline
321(240) 321-ABCD Oakland, MDUscoc Of Cumberland DBA United States Cel MdCell Number
320(240) 320-ABCD Waldorf, MDCavalier East LLCLandline
319(240) 319-ABCD Columbia, MDCellco Partnership DBA Verizon WirelessUnknown
318(240) 318-ABCD Clinton, MDVerizon MarylandLandline
317(240) 317-ABCD Callaway, MDStarpower CommunicationsLandline
316(240) 316-ABCD Chevy Chase, MDSprint Spectrum L.p.Unknown
315(240) 315-ABCD Frederick, MDVerizon MarylandLandline
314(240) 314-ABCD Rockville, MDVerizon MarylandLandline
313(240) 313-ABCD Hagerstown, MDVerizon MarylandLandline
312(240) 312-ABCD Capitol Heights, MDCavalier Telephone Mid-atlanticLandline
310(240) 310-ABCD Hagerstown, MDUscoc Of Cumberland DBA United States Cel MdCell Number
308(240) 308-ABCD Damascus, MDNew Cingular Wireless PCS - DCCell Number
307(240) 307-ABCD Emmitsburg, MDAT&T LocalLandline
306(240) 306-ABCD Gaithersburg, MDAllegiance TelecomLandline
305(240) 305-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
304(240) 304-ABCD Mount Rainier, MDNextel CommunicationsCell Number
303(240) 303-ABCD Clinton, MDCavalier Telephone Mid-atlanticLandline
300(240) 300-ABCD Waldorf, MDCellco Partnership DBA Verizon WirelessUnknown
299(240) 299-ABCD Waldorf, MDNextel CommunicationsCell Number
298(240) 298-ABCD Leonardtown, MDCellco Partnership DBA Verizon WirelessCell Number
297(240) 297-ABCD College Park, MDLevel 3 CommunicationsLandline
296(240) 296-ABCD Hyattsville, MDCavalier Telephone Mid-atlanticLandline
295(240) 295-ABCD Laurel, MDCavalier Telephone Mid-atlanticLandline
294(240) 294-ABCD Laurel, MDXo MarylandLandline
293(240) 293-ABCD Silver Spring, MDStarpower CommunicationsLandline
292(240) 292-ABCD Kensington, MDVerizon MarylandLandline
291(240) 291-ABCD Hagerstown, MDNew Cingular Wireless PCS - DCCell Number
290(240) 290-ABCD Mount Rainier, MDAllegiance TelecomLandline
289(240) 289-ABCD Oxon Hill, MDCavalier Telephone Mid-atlanticLandline
288(240) 288-ABCD Thurmont, MDNationslineLandline
287(240) 287-ABCD Hancock, MDCore CommunicationsLandline
286(240) 286-ABCD Bethesda, MDNextel CommunicationsCell Number
285(240) 285-ABCD Frederick, MDCellco Partnership DBA Verizon WirelessLandline
284(240) 284-ABCD Frostburg, MDNationslineLandline
283(240) 283-ABCD Kensington, MDPaetec CommunicationsLandline
282(240) 282-ABCD Mechanicsville, MDGlobal Naps SouthLandline
281(240) 281-ABCD Bethesda, MDNew Cingular Wireless PCS - DCCell Number
280(240) 280-ABCD Laurel, MDComcast Phone Of Northern MarylandLandline
279(240) 279-ABCD Waldorf, MDCore CommunicationsLandline
278(240) 278-ABCD Cellco Partnership DBA Verizon WirelessUnknown
277(240) 277-ABCD Bethesda, MDSprint Spectrum L.p.Cell Number
276(240) 276-ABCD Rockville, MDVerizon MarylandLandline
275(240) 275-ABCD Grantsville, MDCore CommunicationsLandline
274(240) 274-ABCD Bethesda, MDNew Cingular Wireless PCS - DCCell Number
273(240) 273-ABCD Mount Rainier, MDBroadwing Communications. LLCLandline
272(240) 272-ABCD Glenn Dale, MDTidalwave Telephone Inc.Landline
271(240) 271-ABCD Bethesda, MDNew Cingular Wireless PCS - DCCell Number
270(240) 270-ABCD Glenn Dale, MDTidalwave Telephone Inc.Landline
269(240) 269-ABCD Clinton, MDGlobal Naps SouthLandline
268(240) 268-ABCD Rockville, MDAllegiance TelecomLandline
267(240) 267-ABCD Capitol Heights, MDTidalwave Telephone Inc.Landline
266(240) 266-ABCD Glenn Dale, MDGlobal Naps SouthLandline
265(240) 265-ABCD Capitol Heights, MDTidalwave Telephone Inc.Landline
264(240) 264-ABCD Beltsville, MDVerizon MarylandLandline
263(240) 263-ABCD Damascus, MDTidalwave Telephone Inc.Landline
262(240) 262-ABCD Damascus, MDTidalwave Telephone Inc.Landline
261(240) 261-ABCD Rockville, MDGlobal Naps SouthLandline
260(240) 260-ABCD Mount Rainier, MDAllegiance TelecomLandline
258(240) 258-ABCD Ridge, MDTeleport Communications Group - DCLandline
257(240) 257-ABCD Nanjemoy, MDTeleport Communications Group - DCLandline
256(240) 256-ABCD Leonardtown, MDTeleport Communications Group - DCLandline
255(240) 255-ABCD Poolesville, MDGlobal Naps SouthLandline
254(240) 254-ABCD Hughesville, MDTeleport Communications Group - DCLandline
253(240) 253-ABCD Mount Rainier, MDGlobal Crossing Local Services-mdLandline
252(240) 252-ABCD Gaithersburg, MDLevel 3 CommunicationsLandline
251(240) 251-ABCD Highfield, MDCore CommunicationsLandline
250(240) 250-ABCD Brandywine, MDGlobal Naps SouthLandline
249(240) 249-ABCD Mechanicsville, MDTeleport Communications Group - DCLandline
248(240) 248-ABCD Ridge, MDGlobal Naps SouthLandline
247(240) 247-ABCD Mount Rainier, MDAllegiance TelecomLandline
246(240) 246-ABCD Gaithersburg, MDStarpower CommunicationsLandline
245(240) 245-ABCD Glenn Dale, MDStarpower CommunicationsLandline
244(240) 244-ABCD Mount Rainier, MDStarpower CommunicationsLandline
243(240) 243-ABCD Gaithersburg, MDAllegiance TelecomLandline
242(240) 242-ABCD Kensington, MDStarpower CommunicationsLandline
241(240) 241-ABCD Chevy Chase, MDStarpower CommunicationsLandline
239(240) 239-ABCD Leonardtown, MDCore CommunicationsLandline
238(240) 238-ABCD Rockville, MDPaetec CommunicationsLandline
237(240) 237-ABCD Callaway, MDTeleport Communications Group - DCLandline
236(240) 236-ABCD Frederick, MDVerizon MarylandLandline
235(240) 235-ABCD Bethesda, MDPaetec CommunicationsLandline
234(240) 234-ABCD Cell Number
233(240) 233-ABCD Newburg, MDTeleport Communications Group - DCLandline
232(240) 232-ABCD Mount Rainier, MDBroadwing Communications. LLCLandline
231(240) 231-ABCD Hagerstown, MDCore CommunicationsLandline
230(240) 230-ABCD Hughesville, MDGlobal Crossing Local Services-mdLandline
229(240) 229-ABCD Waldorf, MDBroadwing Communications. LLCLandline
228(240) 228-ABCD Laurel, MDVerizon MarylandLandline
225(240) 225-ABCD Frederick, MDCore CommunicationsLandline
224(240) 224-ABCD Cell Number
223(240) 223-ABCD Mount Rainier, MDAllegiance TelecomLandline
222(240) 222-ABCD Waldorf, MDCavalier Telephone Mid-atlanticLandline
221(240) 221-ABCD Rockville, MDVerizon MarylandLandline
220(240) 220-ABCD Poolesville, MDGlobal Naps SouthLandline
219(240) 219-ABCD Newburg, MDGlobal Naps SouthLandline
218(240) 218-ABCD Nanjemoy, MDGlobal Naps SouthLandline
217(240) 217-ABCD Hagerstown, MDOmnipoint Communications Cap OperationsCell Number
216(240) 216-ABCD Waldorf, MDNextel CommunicationsCell Number
215(240) 215-ABCD Frederick, MDTelcove OperationsLandline
214(240) 214-ABCD Mechanicsville, MDGlobal Naps SouthLandline
213(240) 213-ABCD Waldorf, MDGlobal Naps SouthLandline
212(240) 212-ABCD Oakland, MDCore CommunicationsLandline
210(240) 210-ABCD Waldorf, MDNew Cingular Wireless PCS - DCCell Number
209(240) 209-ABCD Indian Head, MDGlobal Naps SouthLandline
208(240) 208-ABCD La Plata, MDGlobal Naps SouthLandline
207(240) 207-ABCD Damascus, MDCavalier East LLCLandline
206(240) 206-ABCD Glenn Dale, MDXo MarylandLandline
205(240) 205-ABCD Rockville, MDNew Cingular Wireless PCS - DCCell Number
201(240) 201-ABCD Ridge, MDGlobal Naps SouthLandline
200(240) 200-ABCD Mount Rainier, MDBandwidth.com ClecUnknown
432(240) 432-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
788(240) 788-ABCD Mount Rainier, MDBroadwing Communications. LLCLandline
790(240) 790-ABCD Mount Rainier, MDBroadwing Communications. LLCLandline
793(240) 793-ABCD Gaithersburg, MDNextel CommunicationsCell Number
794(240) 794-ABCD Callaway, MDBroadwing Communications. LLCLandline
804(240) 804-ABCD Newburg, MDXo MarylandLandline
812(240) 812-ABCD Poolesville, MDGlobal Crossing Local Services-mdLandline
813(240) 813-ABCD Gaithersburg, MDAtx Telecommunications Services, LtdLandline
818(240) 818-ABCD Smithsburg, MDVerizon MarylandLandline
433(240) 433-ABCD Silver Spring, MDCavalier Telephone Mid-atlanticLandline
434(240) 434-ABCD Leonardtown, MDBroadwing Communications. LLCLandline
435(240) 435-ABCD Waldorf, MDCellco Partnership DBA Verizon WirelessUnknown
436(240) 436-ABCD Ijamsville, MDTelcove OperationsLandline
437(240) 437-ABCD Sandy Spring, MDXo MarylandLandline
439(240) 439-ABCD Frederick, MDCellco Partnership DBA Verizon WirelessUnknown
440(240) 440-ABCD Frederick, MDLeap Wireless Intl DBA Cricket CommUnknown
441(240) 441-ABCD Oxon Hill, MDOmnipoint Communications Cap OperationsCell Number
442(240) 442-ABCD Oakland, MDVerizon MarylandLandline
446(240) 446-ABCD Frederick, MDCellco Partnership DBA Verizon WirelessCell Number
447(240) 447-ABCD Rockville, MDNew Cingular Wireless PCS - DCCell Number
454(240) 454-ABCD Gaithersburg, MDPaetec CommunicationsCell Number
455(240) 455-ABCD Capitol Heights, MDPaetec CommunicationsLandline
456(240) 456-ABCD Laurel, MDVerizon MarylandLandline
457(240) 457-ABCD Frederick, MDCellco Partnership DBA Verizon WirelessUnknown
459(240) 459-ABCD Laurel, MDCellco Partnership DBA Verizon WirelessUnknown
460(240) 460-ABCD Silver Spring, MDNew Cingular Wireless PCS - DCCell Number
461(240) 461-ABCD Silver Spring, MDNew Cingular Wireless PCS - DCCell Number
462(240) 462-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
463(240) 463-ABCD Silver Spring, MDNew Cingular Wireless PCS - DCCell Number
464(240) 464-ABCD Chevy Chase, MDNextel CommunicationsLandline
465(240) 465-ABCD Bethesda, MDGlobal Naps SouthLandline
466(240) 466-ABCD Mechanicsville, MDGlobal Naps SouthLandline
468(240) 468-ABCD Mount Rainier, MDSprint Spectrum L.p.Unknown
469(240) 469-ABCD Hagerstown, MDSprint Spectrum L.p.Unknown
471(240) 471-ABCD Silver Spring, MDGlobal Crossing Local Services-mdLandline
472(240) 472-ABCD Silver Spring, MDNew Cingular Wireless PCS - DCCell Number
473(240) 473-ABCD College Park, MDCavalier Telephone Mid-atlanticLandline
475(240) 475-ABCD Silver Spring, MDNew Cingular Wireless PCS - DCCell Number
476(240) 476-ABCD Silver Spring, MDOmnipoint Communications Cap OperationsCell Number
477(240) 477-ABCD Gaithersburg, MDLightwave CommunicationsLandline
478(240) 478-ABCD Silver Spring, MDNew Cingular Wireless PCS - DCCell Number
479(240) 479-ABCD Oxon Hill, MDCellco Partnership DBA Verizon WirelessUnknown
480(240) 480-ABCD Bethesda, MDSprint Spectrum L.p.Unknown
481(240) 481-ABCD Silver Spring, MDOmnipoint Communications Cap OperationsCell Number
482(240) 482-ABCD Bethesda, MDUs Lec Of MarylandLandline
493(240) 493-ABCD Oxon Hill, MDUs Lec Of MarylandLandline
494(240) 494-ABCD Mount Rainier, MDCavalier East LLCLandline
497(240) 497-ABCD Chevy Chase, MDVerizon MarylandLandline
498(240) 498-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
499(240) 499-ABCD Cabin John, MDUs Lec Of MarylandLandline
500(240) 500-ABCD Hagerstown, MDUs Lec Of MarylandUnknown
508(240) 508-ABCD Capitol Heights, MDNextel CommunicationsCell Number
509(240) 509-ABCD Crofton, MDBandwidth.com ClecUnknown
510(240) 510-ABCD Upper Marlboro, MDXo MarylandLandline
512(240) 512-ABCD College Park, MDCore CommunicationsUnknown
514(240) 514-ABCD Cabin John, MDUs Lec Of MarylandLandline
515(240) 515-ABCD Bethesda, MDNew Cingular Wireless PCS - DCCell Number
997(240) 997-ABCD Silver Spring, MDCellco Partnership DBA Verizon WirelessCell Number
516(240) 516-ABCD Silver Spring, MDUs Lec Of MarylandLandline
520(240) 520-ABCD Hagerstown, MDSprint Spectrum L.p.Unknown
522(240) 522-ABCD Cumberland, MDSprint Spectrum L.p.Cell Number
523(240) 523-ABCD La Plata, MDXo MarylandLandline
524(240) 524-ABCD Russett, MDGlobal Naps SouthLandline
525(240) 525-ABCD Upper Marlboro, MDGlobal Naps SouthLandline
526(240) 526-ABCD Leonardtown, MDGlobal Naps SouthLandline
527(240) 527-ABCD Hagerstown, MDVerizon MarylandLandline
528(240) 528-ABCD Hughesville, MDBroadwing Communications. LLCLandline
529(240) 529-ABCD Frederick, MDVerizon MarylandLandline
533(240) 533-ABCD Mount Rainier, MDTeleport Communications Group - DCLandline
535(240) 535-ABCD Silver Spring, MDNew Cingular Wireless PCS - DCCell Number
536(240) 536-ABCD Sandy Spring, MDGlobal Naps SouthLandline
538(240) 538-ABCD Leonardtown, MDXo MarylandLandline
539(240) 539-ABCD Hyattsville, MDGlobal Naps SouthLandline
540(240) 540-ABCD Unknown
542(240) 542-ABCD College Park, MDUs Lec Of MarylandLandline
543(240) 543-ABCD Bethesda, MDSprint Spectrum L.p.Unknown
544(240) 544-ABCD Glenn Dale, MDUs Lec Of MarylandLandline
545(240) 545-ABCD Upper Marlboro, MDUs Lec Of MarylandLandline
546(240) 546-ABCD Clinton, MDUs Lec Of MarylandLandline
547(240) 547-ABCD Russett, MDLevel 3 CommunicationsLandline
548(240) 548-ABCD Mount Rainier, MDAllegiance TelecomLandline
550(240) 550-ABCD Rockville, MDLeap Wireless Intl DBA Cricket CommUnknown
551(240) 551-ABCD Rockville, MDLeap Wireless Intl DBA Cricket CommUnknown
552(240) 552-ABCD Rockville, MDLeap Wireless Intl DBA Cricket CommUnknown
553(240) 553-ABCD Mount Rainier, MDAllegiance TelecomLandline
554(240) 554-ABCD Laurel, MDAllegiance TelecomLandline
556(240) 556-ABCD Glenn Dale, MDPaetec CommunicationsLandline
558(240) 558-ABCD Kensington, MDCavalier Telephone Mid-atlanticLandline
559(240) 559-ABCD Sandy Spring, MDAllegiance TelecomLandline
560(240) 560-ABCD Chevy Chase, MDXo MarylandLandline
561(240) 561-ABCD Leonardtown, MDCellco Partnership DBA Verizon WirelessUnknown
565(240) 565-ABCD Laurel, MDOmnipoint Communications Cap OperationsCell Number
566(240) 566-ABCD Frederick, MDVerizon MarylandLandline
567(240) 567-ABCD Rockville, MDVerizon MarylandUnknown
583(240) 583-ABCD Beltsville, MDVerizon MarylandUnknown
585(240) 585-ABCD Cellco Partnership DBA Verizon WirelessUnknown
586(240) 586-ABCD Frederick, MDVerizon MarylandUnknown
587(240) 587-ABCD Leonardtown, MDCellco Partnership DBA Verizon WirelessUnknown
593(240) 593-ABCD Laurel, MDOmnipoint Communications Cap OperationsCell Number
595(240) 595-ABCD Chevy Chase, MDCellco Partnership DBA Verizon WirelessUnknown
597(240) 597-ABCD Gaithersburg, MDGlobal Naps SouthLandline
599(240) 599-ABCD Rockville, MDBroadwing Communications. LLCLandline
600(240) 600-ABCD Bethesda, MDSprint Spectrum L.p.Unknown
601(240) 601-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
602(240) 602-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
603(240) 603-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
604(240) 604-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
605(240) 605-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
606(240) 606-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
607(240) 607-ABCD Waldorf, MDGlobal Crossing Local Services-mdLandline
612(240) 612-ABCD Mount Rainier, MDTw Telecom Of Maryland LLCUnknown
616(240) 616-ABCD College Park, MDMci Worldcom CommunicationsLandline
618(240) 618-ABCD Cellco Partnership DBA Verizon WirelessUnknown
619(240) 619-ABCD Chevy Chase, MDMci Worldcom CommunicationsLandline
620(240) 620-ABCD Rockville, MDMci Worldcom CommunicationsLandline
621(240) 621-ABCD Kensington, MDMci Worldcom CommunicationsLandline
624(240) 624-ABCD Greenbelt, MDVerizon MarylandLandline
625(240) 625-ABCD Hagerstown, MDNextel CommunicationsLandline
626(240) 626-ABCD Frederick, MDSprint Spectrum L.p.Cell Number
627(240) 627-ABCD Mount Rainier, MDGlobal Crossing Local Services-mdLandline
629(240) 629-ABCD Frederick, MDVerizon MarylandLandline
631(240) 631-ABCD Gaithersburg, MDVerizon MarylandLandline
632(240) 632-ABCD Gaithersburg, MDVerizon MarylandLandline
638(240) 638-ABCD Mount Rainier, MDBroadwing Communications. LLCLandline
640(240) 640-ABCD Waldorf, MDLeap Wireless Intl DBA Cricket CommUnknown
641(240) 641-ABCD Rockville, MDTidalwave Telephone Inc.Landline
642(240) 642-ABCD Rockville, MDTidalwave Telephone Inc.Landline
643(240) 643-ABCD Silver Spring, MDOmnipoint Communications Cap OperationsCell Number
644(240) 644-ABCD Chevy Chase, MDXo MarylandLandline
645(240) 645-ABCD Chevy Chase, MDXo MarylandLandline
646(240) 646-ABCD Laurel, MDCavalier East LLCLandline
652(240) 652-ABCD Mechanicsville, MDXo MarylandLandline
654(240) 654-ABCD Gaithersburg, MDNew Cingular Wireless PCS - DCUnknown
662(240) 662-ABCD Silver Spring, MDVerizon MarylandLandline
667(240) 667-ABCD Mount Rainier, MDGlobal Crossing Local Services-mdLandline
668(240) 668-ABCD Damascus, MDStarpower CommunicationsLandline
669(240) 669-ABCD Kensington, MDComcast Phone Of Northern MarylandLandline
678(240) 678-ABCD Silver Spring, MDCellco Partnership DBA Verizon WirelessCell Number
681(240) 681-ABCD Brandywine, MDAtx Telecommunications Services, LtdLandline
682(240) 682-ABCD Waldorf, MDStarpower CommunicationsLandline
683(240) 683-ABCD Gaithersburg, MDVerizon MarylandLandline
684(240) 684-ABCD Greenbelt, MDVerizon MarylandLandline
685(240) 685-ABCD Brandywine, MDGlobal Crossing Local Services-mdLandline
686(240) 686-ABCD Gaithersburg, MDVerizon MarylandLandline
687(240) 687-ABCD Silver Spring, MDCellco Partnership DBA Verizon WirelessCell Number
688(240) 688-ABCD Silver Spring, MDCellco Partnership DBA Verizon WirelessUnknown
691(240) 691-ABCD Mount Rainier, MDGlobal Crossing Local Services-mdLandline
694(240) 694-ABCD Rockville, MDVerizon MarylandLandline
695(240) 695-ABCD Temple Hills, MDVerizon MarylandLandline
696(240) 696-ABCD Hyattsville, MDLevel 3 CommunicationsLandline
699(240) 699-ABCD Adamstown, MDVerizon MarylandLandline
701(240) 701-ABCD Silver Spring, MDLeap Wireless Intl DBA Cricket CommUnknown
702(240) 702-ABCD Unknown
704(240) 704-ABCD Mount Rainier, MDLeap Wireless Intl DBA Cricket CommUnknown
705(240) 705-ABCD Chevy Chase, MDLeap Wireless Intl DBA Cricket CommUnknown
706(240) 706-ABCD Chevy Chase, MDLeap Wireless Intl DBA Cricket CommUnknown
715(240) 715-ABCD Rockville, MDGlobal Crossing Local Services-mdLandline
718(240) 718-ABCD Callaway, MDXo MarylandLandline
720(240) 720-ABCD Gaithersburg, MDGlobal Crossing Local Services-mdLandline
737(240) 737-ABCD Mount Rainier, MDCavalier East LLCLandline
743(240) 743-ABCD Oxon Hill, MDNew Cingular Wireless PCS - DCUnknown
744(240) 744-ABCD Mount Rainier, MDBroadwing Communications. LLCLandline
745(240) 745-ABCD Damascus, MDXo MarylandLandline
747(240) 747-ABCD Kensington, MDCavalier East LLCLandline
750(240) 750-ABCD Gaithersburg, MDNew Cingular Wireless PCS - DCCell Number
757(240) 757-ABCD College Park, MDGlobal Naps SouthLandline
764(240) 764-ABCD Hyattsville, MDXo MarylandLandline
765(240) 765-ABCD Chevy Chase, MDXo MarylandLandline
766(240) 766-ABCD Chevy Chase, MDXo MarylandLandline
767(240) 767-ABCD Capitol Heights, MDCavalier East LLCLandline
770(240) 770-ABCD Oxon Hill, MDComcast Phone Of Northern MarylandLandline
782(240) 782-ABCD Damascus, MDGlobal Crossing Local Services-mdLandline
783(240) 783-ABCD Bethesda, MDMte DBA Mte Paging NetworkCell Number
784(240) 784-ABCD Myersville, MDOmnipoint Communications Cap OperationsCell Number
786(240) 786-ABCD Laurel, MDBroadwing Communications. LLCLandline
787(240) 787-ABCD Brandywine, MDBroadwing Communications. LLCLandline
449(240) 449-ABCD Gaithersburg, MDNew Cingular Wireless PCS - DCCell Number
450(240) 450-ABCD Silver Spring, MDCavalier Telephone Mid-atlanticLandline
452(240) 452-ABCD Hagerstown, MDNtelos Network Inc.-vaUnknown
453(240) 453-ABCD Rockville, MDVerizon MarylandLandline
483(240) 483-ABCD Bethesda, MDComcast Phone Of Northern MarylandLandline
485(240) 485-ABCD Cabin John, MDUs Lec Of MarylandLandline
486(240) 486-ABCD Glenn Dale, MDOmnipoint Communications Cap OperationsCell Number
487(240) 487-ABCD Hyattsville, MDUs Lec Of MarylandLandline
489(240) 489-ABCD Poolesville, MDXo MarylandLandline
490(240) 490-ABCD Middletown, MDOmnipoint Communications Cap OperationsCell Number
491(240) 491-ABCD Mount Rainier, MDGlobal Crossing Local Services-mdCell Number
492(240) 492-ABCD Capitol Heights, MDUs Lec Of MarylandLandline
501(240) 501-ABCD Silver Spring, MDSprint Spectrum L.p.Cell Number
505(240) 505-ABCD Silver Spring, MDOmnipoint Communications Cap OperationsCell Number
506(240) 506-ABCD Rockville, MDNew Cingular Wireless PCS - DCCell Number
507(240) 507-ABCD Cabin John, MDCellco Partnership DBA Verizon WirelessUnknown
568(240) 568-ABCD Laurel, MDVerizon MarylandLandline
573(240) 573-ABCD Upper Marlboro, MDGlobal Crossing Local Services-mdLandline
575(240) 575-ABCD Frederick, MDLevel 3 CommunicationsLandline
577(240) 577-ABCD Leonardtown, MDCellco Partnership DBA Verizon WirelessUnknown
578(240) 578-ABCD Cellco Partnership DBA Verizon WirelessUnknown
580(240) 580-ABCD Cumberland, MDNextel CommunicationsCell Number
581(240) 581-ABCD Laurel, MDPaetec Communications - DCLandline
582(240) 582-ABCD Hyattsville, MDVerizon MarylandLandline
671(240) 671-ABCD Mount Rainier, MDSprint Spectrum L.p.Landline
672(240) 672-ABCD Rockville, MDCellco Partnership DBA Verizon WirelessLandline
674(240) 674-ABCD Frederick, MDNextel CommunicationsCell Number
675(240) 675-ABCD Myersville, MDNew Cingular Wireless PCS - DCCell Number
676(240) 676-ABCD Silver Spring, MDCellco Partnership DBA Verizon WirelessCell Number
722(240) 722-ABCD Sandy Spring, MDGlobal Crossing Local Services-mdLandline
723(240) 723-ABCD Silver Spring, MDCellco Partnership DBA Verizon WirelessLandline
724(240) 724-ABCD Oxon Hill, MDCavalier East LLCLandline
725(240) 725-ABCD Lexington Park, MDVerizon MarylandLandline
727(240) 727-ABCD Cumberland, MDNew Cingular Wireless PCS - DCCell Number
731(240) 731-ABCD Rockville, MDNew Cingular Wireless PCS - DCCell Number
751(240) 751-ABCD Gaithersburg, MDTelcove OperationsLandline
752(240) 752-ABCD Bethesda, MDTelcove OperationsLandline
753(240) 753-ABCD Rockville, MDTelcove OperationsLandline
755(240) 755-ABCD Laurel, MDComcast Phone Of Northern MarylandLandline
773(240) 773-ABCD Rockville, MDVerizon MarylandLandline
776(240) 776-ABCD La Plata, MDBroadwing Communications. LLCLandline
777(240) 777-ABCD Rockville, MDVerizon MarylandLandline
778(240) 778-ABCD Chevy Chase, MDXo MarylandLandline
779(240) 779-ABCD Sandy Spring, MDCavalier East LLCLandline
780(240) 780-ABCD Gaithersburg, MDBroadwing Communications. LLCLandline
821(240) 821-ABCD Silver Spring, MDLightwave CommunicationsLandline
823(240) 823-ABCD Brandywine, MDXo MarylandLandline
825(240) 825-ABCD Unknown
826(240) 826-ABCD Rockville, MDVerizon MarylandUnknown
832(240) 832-ABCD Bethesda, MDNextel CommunicationsCell Number
833(240) 833-ABCD Chevy Chase, MDXo MarylandLandline
835(240) 835-ABCD Landline
837(240) 837-ABCD Hughesville, MDXo MarylandLandline
838(240) 838-ABCD Oxon Hill, MDOmnipoint Communications Cap OperationsCell Number
839(240) 839-ABCD Silver Spring, MDCellco Partnership DBA Verizon WirelessUnknown
841(240) 841-ABCD Laurel, MDAllegiance TelecomLandline
842(240) 842-ABCD Glenn Dale, MDAllegiance TelecomLandline
843(240) 843-ABCD College Park, MDAllegiance TelecomLandline
844(240) 844-ABCD Ridge, MDXo MarylandLandline
845(240) 845-ABCD Chevy Chase, MDXo MarylandLandline
846(240) 846-ABCD Clinton, MDXo MarylandLandline
848(240) 848-ABCD Gaithersburg, MDNextel CommunicationsLandline
855(240) 855-ABCD Bethesda, MDSprint Spectrum L.p.Unknown
857(240) 857-ABCD Mount Rainier, MDTw Telecom Of Maryland LLCLandline
863(240) 863-ABCD Laurel, MDTw Telecom Of Maryland LLCLandline
864(240) 864-ABCD Rockville, MDCavalier East LLCLandline
865(240) 865-ABCD Baltimore, MDLevel 3 CommunicationsLandline
868(240) 868-ABCD Mount Rainier, MDCavalier East LLCLandline
876(240) 876-ABCD Bethesda, MDNextel CommunicationsCell Number
880(240) 880-ABCD Mount Rainier, MDBroadwing Communications. LLCLandline
882(240) 882-ABCD Capitol Heights, MDNextel CommunicationsCell Number
883(240) 883-ABCD Sandy Spring, MDBroadwing Communications. LLCLandline
888(240) 888-ABCD Rockville, MDNew Cingular Wireless PCS - DCCell Number
892(240) 892-ABCD Upper Marlboro, MDBroadwing Communications. LLCLandline
893(240) 893-ABCD Silver Spring, MDNew Cingular Wireless PCS - DCCell Number
895(240) 895-ABCD Lexington Park, MDVerizon MarylandLandline
897(240) 897-ABCD Mount Rainier, MDBroadwing Communications. LLCLandline
898(240) 898-ABCD Mount Rainier, MDBroadwing Communications. LLCLandline
899(240) 899-ABCD Bethesda, MDOmnipoint Communications Cap OperationsCell Number
912(240) 912-ABCD Gaithersburg, MDUs Lec Of MarylandLandline
920(240) 920-ABCD Cumberland, MDLevel 3 CommunicationsLandline
925(240) 925-ABCD Leonardtown, MDCellco Partnership DBA Verizon WirelessCell Number
929(240) 929-ABCD Mount Rainier, MDCavalier East LLCLandline
938(240) 938-ABCD Ashton, MDOmnipoint Communications Cap OperationsCell Number
949(240) 949-ABCD Clinton, MDCavalier East LLCLandline
964(240) 964-ABCD Cumberland, MDVerizon MarylandUnknown
965(240) 965-ABCD College Park, MDPaetec CommunicationsLandline
976(240) 976-ABCD Baltimore-washington Telephone BwtUnknown
979(240) 979-ABCD Cumberland, MDLevel 3 CommunicationsLandline
986(240) 986-ABCD Nanjemoy, MDXo MarylandLandline
988(240) 988-ABCD Beltsville, MDSprint Spectrum L.p.Cell Number
993(240) 993-ABCD Indian Head, MDXo MarylandLandline
994(240) 994-ABCD Rockville, MDCellco Partnership DBA Verizon WirelessCell Number