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  • Area Code 240 Detail

    State Major City Time Zone
    Maryland Baltimore Eastern (7:00am)

    Major Cities in Area Code 240

    Prefix City 1 City 2 City 3 City 4 City 5
    240Aspen Hill, MDBethesda, MDBowie, MDChillum, MDClinton, MD
    240College Park, MDCumberland, MDFairland, MDFort Washington, MDFrederick, MD
    240Gaithersburg, MDGermantown, MDGreenbelt, MDHagerstown, MDLandover, MD
    240Montgomery Village, MDNorth Bethesda, MDNorth Laurel, MDNorth Potomac, MDOlney, MD
    240Oxon Hill-glassmanor, MDPotomac, MDRockville, MDSilver Spring, MDSouth Laurel, MD
    240St. Charles, MDSuitland, MDWaldorf, MDWheaton-glenmont, MDWhite Oak, MD

    Aria Code 240 Prefixes

    Prefix Primary City Company County Usage Introduced
    240 - 200Mount Rainier, MDBandwidth.com ClecPrince GeorgesLandline10/04/2010
    240 - 201Ridge, MDPeerless Network Of The District Of Columbia, DcSaint MarysLandline07/22/1999
    240 - 203Hagerstown, MDSprint Spectrum L.p.WashingtonCell Number10/04/2011
    240 - 204Bethesda, MDCellco Partnership DBA Verizon WirelessMontgomeryCell Number09/07/2011
    240 - 205Cabin John, MDNew Cingular Wireless PCS - DCMontgomeryCell Number07/23/2003
    240 - 206Glenn Dale, MDXo MarylandPrince GeorgesLandline10/31/2001
    240 - 207Damascus, MDCavalier East LLCMontgomeryLandline08/20/2000
    240 - 208La Plata, MDPeerless Network Of The District Of Columbia, DcCharlesLandline07/22/1999
    240 - 209Indian Head, MDPeerless Network Of The District Of Columbia, DcCharlesLandline07/22/1999
    240 - 210Waldorf, MDNew Cingular Wireless PCS - DCCharlesCell Number08/20/2000
    240 - 212Oakland, MDCore CommunicationsGarrettLandline06/13/2000
    240 - 213Waldorf, MDPeerless Network Of The District Of Columbia, DcCharlesLandline07/22/1999
    240 - 214Mechanicsville, MDPeerless Network Of The District Of Columbia, DcSaint MarysLandline07/22/1999
    240 - 215Frederick, MDTelcove OperationsFrederickLandline01/14/2000
    240 - 216Waldorf, MDSprint Spectrum L.p.CharlesCell Number03/15/2001
    240 - 217Hagerstown, MDOmnipoint Communications Cap OperationsWashingtonCell Number04/16/2001
    240 - 218Nanjemoy, MDPeerless Network Of The District Of Columbia, DcCharlesLandline02/27/1999
    240 - 220Poolesville, MDPeerless Network Of MarylandMontgomeryLandline02/27/1999
    240 - 221Rockville, MDVerizon MarylandMontgomeryLandline05/10/1999
    240 - 222Waldorf, MDCavalier Telephone Mid-atlanticCharlesLandline08/20/2000
    240 - 223Mount Rainier, MDAllegiance TelecomPrince GeorgesLandline02/27/1999
    240 - 224Gaithersburg, MDCellco Partnership DBA Verizon WirelessMontgomeryCell Number09/10/2012
    240 - 225Frederick, MDCore CommunicationsFrederickLandline06/13/2000
    240 - 228Laurel, MDVerizon MarylandPrince GeorgesLandline11/20/1998
    240 - 229Waldorf, MDBroadwing Communications. LLCCharlesLandline07/22/1999
    240 - 230Hughesville, MDGlobal Crossing Local Services-mdCharlesLandline05/10/1999
    240 - 231Hagerstown, MDCore CommunicationsWashingtonLandline06/13/2000
    240 - 232Mount Rainier, MDBroadwing Communications. LLCPrince GeorgesLandline07/22/1999
    240 - 233Newburg, MDTeleport Communications America - DCCharlesLandline02/27/1999
    240 - 234Mount Rainier, MDCellco Partnership DBA Verizon WirelessPrince GeorgesCell Number10/04/2011
    240 - 235Bethesda, MDPaetec CommunicationsMontgomeryLandline10/13/1999
    240 - 236Frederick, MDVerizon MarylandFrederickLandline06/13/2000
    240 - 237Callaway, MDTeleport Communications America - DCSaint MarysLandline02/27/1999
    240 - 238Rockville, MDPaetec CommunicationsMontgomeryLandline10/13/1999
    240 - 239Leonardtown, MDCore CommunicationsSaint MarysLandline10/31/2000
    240 - 241Chevy Chase, MDStarpower CommunicationsMontgomeryLandline02/27/1999
    240 - 242Kensington, MDStarpower CommunicationsMontgomeryLandline02/27/1999
    240 - 243Gaithersburg, MDAllegiance TelecomMontgomeryLandline01/14/2000
    240 - 244Mount Rainier, MDStarpower CommunicationsPrince GeorgesLandline02/27/1999
    240 - 245Glenn Dale, MDStarpower CommunicationsPrince GeorgesLandline02/27/1999
    240 - 246Gaithersburg, MDStarpower CommunicationsMontgomeryLandline11/20/1998
    240 - 247Mount Rainier, MDAllegiance TelecomPrince GeorgesLandline02/27/1999
    240 - 248Ridge, MDPeerless Network Of MarylandSaint MarysLandline02/27/1999
    240 - 249Mechanicsville, MDTeleport Communications America - DCSaint MarysLandline02/27/1999
    240 - 250Brandywine, MDPeerless Network Of MarylandPrince GeorgesLandline02/27/1999
    240 - 251Highfield, MDCore CommunicationsWashingtonLandline06/13/2000
    240 - 252Gaithersburg, MDLevel 3 CommunicationsMontgomeryLandline05/10/1999
    240 - 253Mount Rainier, MDGlobal Crossing Local Services-mdPrince GeorgesLandline02/27/1999
    240 - 254Hughesville, MDTeleport Communications America - DCCharlesLandline02/27/1999
    240 - 255Poolesville, MDPeerless Network Of MarylandMontgomeryLandline07/22/1999
    240 - 256Leonardtown, MDTeleport Communications America - DCSaint MarysLandline02/27/1999
    240 - 257Nanjemoy, MDTeleport Communications America - DCCharlesLandline02/27/1999
    240 - 258Ridge, MDTeleport Communications America - DCSaint MarysLandline02/27/1999
    240 - 260Mount Rainier, MDAllegiance TelecomPrince GeorgesLandline06/13/2000
    240 - 262Callaway, MDSprint Spectrum L.p.Saint MarysCell Number10/17/2011
    240 - 263Bethesda, MDSprint Spectrum L.p.MontgomeryCell Number11/10/2011
    240 - 264Beltsville, MDVerizon MarylandPrince GeorgesLandline02/27/1999
    240 - 265Bethesda, MDSprint Spectrum L.p.MontgomeryCell Number11/10/2011
    240 - 266Mount Rainier, MDPeerless Network Of MarylandPrince GeorgesLandline02/27/1999
    240 - 268Rockville, MDAllegiance TelecomMontgomeryLandline02/27/1999
    240 - 269Mount Rainier, MDPeerless Network Of MarylandPrince GeorgesLandline02/27/1999
    240 - 270Waldorf, MDCellco Partnership DBA Verizon WirelessCharlesCell Number11/07/2011
    240 - 271Bethesda, MDNew Cingular Wireless PCS - DCMontgomeryCell Number02/27/1999
    240 - 272Bethesda, MDSprint Spectrum L.p.MontgomeryCell Number11/10/2011
    240 - 273Mount Rainier, MDBroadwing Communications. LLCPrince GeorgesLandline07/22/1999
    240 - 274Bethesda, MDNew Cingular Wireless PCS - DCMontgomeryCell Number02/27/1999
    240 - 275Grantsville, MDCore CommunicationsGarrettLandline10/31/2000
    240 - 276Rockville, MDVerizon MarylandMontgomeryLandline05/04/2004
    240 - 277Bethesda, MDSprint Spectrum L.p.MontgomeryCell Number10/18/2002
    240 - 278Laurel, MDCellco Partnership DBA Verizon WirelessPrince GeorgesCell Number07/08/2011
    240 - 279Waldorf, MDCore CommunicationsCharlesLandline10/31/2000
    240 - 280Laurel, MDComcast Phone Of Northern MarylandPrince GeorgesLandline03/03/2001
    240 - 281Bethesda, MDNew Cingular Wireless PCS - DCMontgomeryCell Number10/13/1999
    240 - 282Mechanicsville, MDPeerless Network Of MarylandSaint MarysLandline02/27/1999
    240 - 283Kensington, MDPaetec CommunicationsMontgomeryLandline10/13/1999
    240 - 284Frostburg, MDLevel 3 CommunicationsAlleganyLandline11/01/2004
    240 - 285Frederick, MDCellco Partnership DBA Verizon WirelessFrederickLandline06/13/2000
    240 - 286Bethesda, MDSprint Spectrum L.p.MontgomeryCell Number09/17/2002
    240 - 287Hancock, MDCore CommunicationsWashingtonLandline06/13/2000
    240 - 288Thurmont, MDComcast Phone Of Northern MarylandFrederickLandline11/01/2004
    240 - 289Oxon Hill, MDCavalier Telephone Mid-atlanticPrince GeorgesLandline08/20/2000
    240 - 290Mount Rainier, MDAllegiance TelecomPrince GeorgesLandline02/27/1999
    240 - 291Hagerstown, MDNew Cingular Wireless PCS - DCWashingtonCell Number10/15/2002
    240 - 292Kensington, MDVerizon MarylandMontgomeryLandline10/13/1999
    240 - 293Mount Rainier, MDStarpower CommunicationsPrince GeorgesLandline02/27/1999
    240 - 294Laurel, MDXo MarylandPrince GeorgesLandline06/30/2001
    240 - 295Laurel, MDCavalier Telephone Mid-atlanticPrince GeorgesLandline08/20/2000
    240 - 296Hyattsville, MDCavalier Telephone Mid-atlanticPrince GeorgesLandline08/20/2000
    240 - 297College Park, MDLevel 3 CommunicationsPrince GeorgesLandline10/13/1999
    240 - 298Leonardtown, MDCellco Partnership DBA Verizon WirelessSaint MarysCell Number10/13/1999
    240 - 299Waldorf, MDSprint Spectrum L.p.CharlesCell Number10/13/1999
    240 - 300Waldorf, MDCellco Partnership DBA Verizon WirelessCharlesCell Number12/07/2010
    240 - 303Clinton, MDCavalier Telephone Mid-atlanticPrince GeorgesLandline08/20/2000
    240 - 304Mount Rainier, MDSprint Spectrum L.p.Prince GeorgesCell Number07/03/2002
    240 - 305Beltsville, MDSprint Spectrum L.p.Prince GeorgesCell Number02/27/1999
    240 - 306Gaithersburg, MDAllegiance TelecomMontgomeryLandline06/13/2000
    240 - 307Emmitsburg, MDAT&T LocalFrederickLandline03/27/2003
    240 - 308Damascus, MDNew Cingular Wireless PCS - DCMontgomeryCell Number08/20/2000
    240 - 309Leonardtown, MDCellco Partnership DBA Verizon WirelessSaint MarysCell Number09/10/2012
    240 - 310Hagerstown, MDUscoc Of Cumberland DBA United States Cel MdWashingtonCell Number02/27/1999
    240 - 312Capitol Heights, MDCavalier Telephone Mid-atlanticPrince GeorgesLandline08/20/2000
    240 - 313Hagerstown, MDVerizon MarylandWashingtonLandline10/31/2000
    240 - 314Rockville, MDVerizon MarylandMontgomeryLandline06/13/2000
    240 - 315Frederick, MDVerizon MarylandFrederickLandline08/20/2000
    240 - 316Chevy Chase, MDSprint Spectrum L.p.MontgomeryCell Number
    240 - 317Callaway, MDStarpower CommunicationsSaint MarysLandline11/20/1998
    240 - 318Clinton, MDVerizon MarylandPrince GeorgesLandline01/14/2000
    240 - 319Columbia, MDCellco Partnership DBA Verizon WirelessHowardCell Number06/06/2008
    240 - 320Waldorf, MDCavalier East LLCCharlesLandline10/31/2000
    240 - 321Oakland, MDUscoc Of Cumberland DBA United States Cel MdGarrettCell Number02/27/1999
    240 - 322Mccoole, MDCore CommunicationsAlleganyLandline10/31/2000
    240 - 323Emmitsburg, MDCore CommunicationsFrederickLandline10/31/2000
    240 - 324Clarksville, MDYmax Communications Corp.HowardLandline10/08/2008
    240 - 325Damascus, MDCore CommunicationsMontgomeryLandline10/31/2000
    240 - 326Upper Marlboro, MDCavalier Telephone Mid-atlanticPrince GeorgesLandline08/20/2000
    240 - 327Gaithersburg, MDCore CommunicationsMontgomeryLandline10/31/2000
    240 - 328Rockville, MDVerizon MarylandMontgomeryLandline08/20/2000
    240 - 329Hagerstown, MDLevel 3 CommunicationsWashingtonLandline10/31/2000
    240 - 330Cabin John, MDSprint Spectrum L.p.MontgomeryCell Number12/14/2007
    240 - 331Mount Rainier, MDPeerless Network Of MarylandPrince GeorgesLandline02/27/1999
    240 - 332Newburg, MDPeerless Network Of MarylandCharlesLandline02/27/1999
    240 - 333Mount Rainier, MDCavalier East LLCPrince GeorgesLandline05/09/2001
    240 - 334Mount Rainier, MDGlobal Crossing Local Services-mdPrince GeorgesLandline02/27/1999
    240 - 335Glenn Dale, MDCavalier Telephone Mid-atlanticPrince GeorgesLandline08/20/2000
    240 - 336Bethesda, MDCore CommunicationsMontgomeryLandline10/31/2000
    240 - 337Mount Rainier, MDPeerless Network Of MarylandPrince GeorgesLandline02/27/1999
    240 - 338Silver Spring, MDCellco Partnership DBA Verizon WirelessMontgomeryCell Number01/14/2000
    240 - 339Upper Marlboro, MDCavalier East LLCPrince GeorgesLandline10/31/2000
    240 - 340Bethesda, MDSprint Spectrum L.p.MontgomeryCell Number08/18/2011
    240 - 341Adamstown, MDMci Worldcom CommunicationsFrederickLandline02/25/2009
    240 - 342Sandy Spring, MDStarpower CommunicationsMontgomeryLandline11/20/1998
    240 - 343Hancock, MDCellco Partnership DBA Verizon WirelessWashingtonCell Number05/10/2011
    240 - 344Frederick, MDNew Cingular Wireless PCS - DCFrederickCell Number10/15/2002
    240 - 345Sandy Spring, MDLevel 3 CommunicationsMontgomeryLandline03/09/2006
    240 - 346Waldorf, MDSprint Spectrum L.p.CharlesCell Number08/20/2000
    240 - 347Hagerstown, MDBandwidth.com ClecWashingtonLandline08/04/2008
    240 - 348Oxon Hill, MDLevel 3 CommunicationsPrince GeorgesLandline08/20/2000
    240 - 349La Plata, MDGlobal Crossing Local Services-mdCharlesLandline05/10/1999
    240 - 350Beltsville, MDSprint Spectrum L.p.Prince GeorgesCell Number05/10/1999
    240 - 351Beltsville, MDSprint Spectrum L.p.Prince GeorgesCell Number05/10/1999
    240 - 352La Plata, MDPeerless Network Of MarylandCharlesLandline02/27/1999
    240 - 353Beltsville, MDSprint Spectrum L.p.Prince GeorgesCell Number05/10/1999
    240 - 354Beltsville, MDSprint Spectrum L.p.Prince GeorgesCell Number05/10/1999
    240 - 355Beltsville, MDSprint Spectrum L.p.Prince GeorgesCell Number05/10/1999
    240 - 356Frederick, MDLevel 3 CommunicationsFrederickLandline03/03/2001
    240 - 357Frederick, MDCellco Partnership DBA Verizon WirelessFrederickCell Number06/12/2006
    240 - 358Damascus, MDPeerless Network Of MarylandMontgomeryLandline02/27/1999
    240 - 359Indian Head, MDPeerless Network Of MarylandCharlesLandline02/27/1999
    240 - 360Laurel, MDOmnipoint Communications Cap OperationsPrince GeorgesCell Number09/17/2013
    240 - 361Gaithersburg, MDCavalier Telephone Mid-atlanticMontgomeryLandline08/20/2000
    240 - 362Cumberland, MDVerizon MarylandAlleganyLandline02/27/1999
    240 - 363Kensington, MDGlobal Naps SouthMontgomeryLandline02/27/1999
    240 - 364Gaithersburg, MDCavalier East LLCMontgomeryLandline05/09/2001
    240 - 365Damascus, MDBaltimore-washington Telephone (bwt)MontgomeryLandline08/20/2000
    240 - 366Williamsport, MDAT&T LocalWashingtonLandline03/03/2001
    240 - 367Frederick, MDSprint Spectrum L.p.FrederickCell Number10/18/2002
    240 - 368Waldorf, MDPeerless Network Of MarylandCharlesLandline02/27/1999
    240 - 369Mount Airy, MDCore CommunicationsCarrollLandline10/31/2000
    240 - 370Bethesda, MDSprint Spectrum L.p.MontgomeryCell Number12/14/2007
    240 - 371Mount Rainier, MDPeerless Network Of MarylandPrince GeorgesLandline02/27/1999
    240 - 372Gaithersburg, MDSprint Spectrum L.p.MontgomeryCell Number10/13/1999
    240 - 373Odenton, MDVerizon MarylandAnne ArundelLandline11/20/1998
    240 - 374Laurel, MDGlobal Crossing Local Services-mdPrince GeorgesLandline02/27/1999
    240 - 375Capitol Heights, MDSprint Spectrum L.p.Prince GeorgesCell Number11/20/1998
    240 - 376Hughesville, MDPeerless Network Of MarylandCharlesLandline02/27/1999
    240 - 377Indian Head, MDGlobal Crossing Local Services-mdCharlesLandline05/10/1999
    240 - 378Cumberland, MDCore CommunicationsAlleganyLandline10/31/2000
    240 - 379Frederick, MDVerizon MarylandFrederickLandline03/03/2001
    240 - 380Cabin John, MDCellco Partnership DBA Verizon WirelessMontgomeryCell Number09/17/2007
    240 - 381Silver Spring, MDNew Cingular Wireless PCS - DCMontgomeryCell Number01/14/2000
    240 - 382Hagerstown, MDTeleport Communications AmericaWashingtonLandline06/11/2009
    240 - 383Chevy Chase, MDNew Cingular Wireless PCS - DCMontgomeryCell Number08/20/2000
    240 - 384Callaway, MDPeerless Network Of MarylandSaint MarysLandline02/27/1999
    240 - 385Myersville, MDVerizon MarylandFrederickLandline10/31/2000
    240 - 386Gaithersburg, MDVerizon MarylandMontgomeryLandline08/20/2000
    240 - 387Chevy Chase, MDCavalier East LLCMontgomeryLandline01/14/2000
    240 - 388Gaithersburg, MDSprint Spectrum L.p.MontgomeryCell Number11/04/2002
    240 - 389Sandy Spring, MDAtx Telecommunications Services, LtdMontgomeryLandline06/30/2001
    240 - 390Sandy Spring, MDCavalier Telephone Mid-atlanticMontgomeryLandline08/20/2000
    240 - 391Mount Rainier, MDGlobal Crossing Local Services-mdPrince GeorgesLandline02/27/1999
    240 - 392Oxon Hill, MDStarpower CommunicationsPrince GeorgesLandline02/27/1999
    240 - 393Cabin John, MDCellco Partnership DBA Verizon WirelessMontgomeryCell Number06/13/2000
    240 - 394Mount Airy, MDNew Cingular Wireless PCS - DCCarrollCell Number12/13/2004
    240 - 395Bethesda, MDCavalier Telephone Mid-atlanticMontgomeryLandline08/20/2000
    240 - 396Mount Rainier, MDGlobal Crossing Local Services-mdPrince GeorgesLandline02/27/1999
    240 - 397Frederick, MDCellco Partnership DBA Verizon WirelessFrederickCell Number03/06/2009
    240 - 398Cabin John, MDSprint Spectrum L.p.MontgomeryCell Number07/03/2002
    240 - 399Chevy Chase, MDXo MarylandMontgomeryLandline10/13/1999
    240 - 400Bethesda, MDSprint Spectrum L.p.MontgomeryCell Number08/18/2011
    240 - 401Rockville, MDNew Cingular Wireless PCS - DCMontgomeryCell Number11/20/1998
    240 - 402College Park, MDMci Worldcom CommunicationsPrince GeorgesLandline09/21/2010
    240 - 403Rockville, MDCavalier Telephone Mid-atlanticMontgomeryLandline08/20/2000
    240 - 404Gaithersburg, MDXo MarylandMontgomeryLandline02/13/2001
    240 - 405Frederick, MDUs Lec Of MarylandFrederickLandline07/27/2004
    240 - 406Rockville, MDLeap Wireless Intl DBA Cricket CommMontgomeryCell Number09/17/2009
    240 - 407Mount Rainier, MDGlobal Crossing Local Services-mdPrince GeorgesLandline02/27/1999
    240 - 408Rockville, MDLeap Wireless Intl DBA Cricket CommMontgomeryCell Number10/14/2009
    240 - 409Frederick, MDNew Cingular Wireless PCS - DCFrederickCell Number02/27/1999
    240 - 412Waldorf, MDSprint Spectrum L.p.CharlesCell Number01/16/2001
    240 - 413Hyattsville, MDOmnipoint Communications Cap OperationsPrince GeorgesCell Number03/12/2001
    240 - 414Mount Rainier, MDPeerless Network Of MarylandPrince GeorgesLandline02/27/1999
    240 - 415Frederick, MDYmax Communications Corp.FrederickLandline12/16/2008
    240 - 416Waldorf, MDNew Cingular Wireless PCS - DCCharlesCell Number05/18/2001
    240 - 417Capitol Heights, MDSprint Spectrum L.p.Prince GeorgesCell Number03/03/2001
    240 - 418Beltsville, MDSprint Spectrum L.p.Prince GeorgesCell Number11/12/2001
    240 - 419Waldorf, MDCellco Partnership DBA Verizon WirelessCharlesCell Number10/29/2007
    240 - 420Hagerstown, MDVerizon MarylandWashingtonLandline07/22/1999
    240 - 421Rockville, MDOmnipoint Communications Cap OperationsMontgomeryCell Number04/09/2001
    240 - 422Frederick, MDOmnipoint Communications Cap OperationsFrederickCell Number05/15/2002
    240 - 423Silver Spring, MDOmnipoint Communications Cap OperationsMontgomeryCell Number05/21/2001
    240 - 424Mount Rainier, MDSprint Spectrum L.p.Prince GeorgesCell Number11/16/2007
    240 - 425Cabin John, MDDslnet Communications VaMontgomeryLandline01/25/2001
    240 - 426Bethesda, MDSprint Spectrum L.p.MontgomeryCell Number10/25/2001
    240 - 427Waldorf, MDXo MarylandCharlesLandline04/23/2001
    240 - 428Rockville, MDBandwidth.com ClecMontgomeryLandline10/14/2009
    240 - 429Silver Spring, MDCellco Partnership DBA Verizon WirelessMontgomeryCell Number12/19/2006
    240 - 430Kensington, MDCavalier Telephone Mid-atlanticMontgomeryLandline08/20/2000
    240 - 431Tall Timbers, MDSprint Spectrum L.p.Saint MarysCell Number10/31/2000
    240 - 432Beltsville, MDSprint Spectrum L.p.Prince GeorgesCell Number02/27/1999
    240 - 433Silver Spring, MDCavalier Telephone Mid-atlanticMontgomeryLandline08/20/2000
    240 - 434Leonardtown, MDBroadwing Communications. LLCSaint MarysLandline10/31/2000
    240 - 435Waldorf, MDCellco Partnership DBA Verizon WirelessCharlesCell Number05/07/2009
    240 - 436Ijamsville, MDTelcove OperationsFrederickLandline08/20/2000
    240 - 437Sandy Spring, MDXo MarylandMontgomeryLandline06/30/2001
    240 - 438Silver Spring, MDSprint Spectrum L.p.MontgomeryCell Number08/15/2011
    240 - 439Frederick, MDCellco Partnership DBA Verizon WirelessFrederickCell Number06/06/2008
    240 - 440Frederick, MDLeap Wireless Intl DBA Cricket CommFrederickCell Number02/27/2009
    240 - 441Oxon Hill, MDOmnipoint Communications Cap OperationsPrince GeorgesCell Number06/06/2001
    240 - 442Oakland, MDVerizon MarylandGarrettLandline05/22/2001
    240 - 444Laurel, MDCellco Partnership DBA Verizon WirelessPrince GeorgesCell Number09/07/2011
    240 - 445Bethesda, MDSprint Spectrum L.p.MontgomeryCell Number11/10/2011
    240 - 446Frederick, MDCellco Partnership DBA Verizon WirelessFrederickCell Number08/09/2001
    240 - 447Rockville, MDNew Cingular Wireless PCS - DCMontgomeryCell Number02/27/1999
    240 - 448Waldorf, MDSprint Spectrum L.p.CharlesCell Number09/07/2011
    240 - 449Gaithersburg, MDNew Cingular Wireless PCS - DCMontgomeryCell Number03/03/2001
    240 - 450Silver Spring, MDCavalier Telephone Mid-atlanticMontgomeryLandline08/20/2000
    240 - 452Hagerstown, MDLumos Networks Inc. - VAWashingtonLandline07/22/2010
    240 - 453Rockville, MDVerizon MarylandMontgomeryLandline11/20/1998
    240 - 454Gaithersburg, MDPaetec CommunicationsMontgomeryCell Number04/22/2005
    240 - 455Oxon Hill, MDPaetec CommunicationsPrince GeorgesLandline06/20/2001
    240 - 456Laurel, MDVerizon MarylandPrince GeorgesLandline08/20/2000
    240 - 457Frederick, MDCellco Partnership DBA Verizon WirelessFrederickCell Number09/04/2008
    240 - 458Waldorf, MDCellco Partnership DBA Verizon WirelessCharlesCell Number10/04/2011
    240 - 459Laurel, MDCellco Partnership DBA Verizon WirelessPrince GeorgesCell Number07/27/2010
    240 - 460Silver Spring, MDNew Cingular Wireless PCS - DCMontgomeryCell Number07/22/1999
    240 - 461Silver Spring, MDNew Cingular Wireless PCS - DCMontgomeryCell Number07/22/1999
    240 - 462Beltsville, MDSprint Spectrum L.p.Prince GeorgesCell Number02/27/1999
    240 - 463Silver Spring, MDNew Cingular Wireless PCS - DCMontgomeryCell Number02/27/1999
    240 - 464Chevy Chase, MDSprint Spectrum L.p.MontgomeryLandline05/10/1999
    240 - 465Mount Rainier, MDPeerless Network Of MarylandPrince GeorgesLandline02/27/1999
    240 - 466Mechanicsville, MDNew Cingular Wireless PCS - DCSaint MarysCell Number10/31/2001
    240 - 467Oxon Hill, MDComcast Phone Of Northern MarylandPrince GeorgesLandline04/25/2013
    240 - 468Mount Rainier, MDSprint Spectrum L.p.Prince GeorgesCell Number11/16/2007
    240 - 469Hagerstown, MDSprint Spectrum L.p.WashingtonCell Number02/14/2008
    240 - 470Laurel, MDCellco Partnership DBA Verizon WirelessPrince GeorgesCell Number10/04/2011
    240 - 471Silver Spring, MDGlobal Crossing Local Services-mdMontgomeryLandline02/27/1999
    240 - 472Silver Spring, MDNew Cingular Wireless PCS - DCMontgomeryCell Number08/20/2000
    240 - 473College Park, MDCavalier Telephone Mid-atlanticPrince GeorgesLandline08/20/2000
    240 - 475Silver Spring, MDNew Cingular Wireless PCS - DCMontgomeryCell Number08/20/2000
    240 - 476Silver Spring, MDOmnipoint Communications Cap OperationsMontgomeryCell Number02/21/2001
    240 - 477Gaithersburg, MDLightwave CommunicationsMontgomeryLandline05/20/2005
    240 - 478Cabin John, MDNew Cingular Wireless PCS - DCMontgomeryCell Number07/27/2004
    240 - 479Oxon Hill, MDCellco Partnership DBA Verizon WirelessPrince GeorgesCell Number04/07/2008
    240 - 480Bethesda, MDSprint Spectrum L.p.MontgomeryCell Number09/27/2010
    240 - 481Silver Spring, MDOmnipoint Communications Cap OperationsMontgomeryCell Number05/11/2001
    240 - 482Cabin John, MDUs Lec Of MarylandMontgomeryLandline01/14/2000
    240 - 483Oxon Hill, MDComcast Phone Of Northern MarylandPrince GeorgesLandline10/31/2001
    240 - 485Cabin John, MDUs Lec Of MarylandMontgomeryLandline01/14/2000
    240 - 486Glenn Dale, MDOmnipoint Communications Cap OperationsPrince GeorgesCell Number03/12/2001
    240 - 487Hyattsville, MDUs Lec Of MarylandPrince GeorgesLandline01/14/2000
    240 - 488Oakland, MDShentel CommunicationsGarrettLandline05/16/2012
    240 - 489Poolesville, MDXo MarylandMontgomeryLandline02/13/2001
    240 - 490Middletown, MDOmnipoint Communications Cap OperationsFrederickCell Number06/12/2001
    240 - 491Mount Rainier, MDGlobal Crossing Local Services-mdPrince GeorgesLandline02/27/1999
    240 - 492Capitol Heights, MDUs Lec Of MarylandPrince GeorgesLandline01/14/2000
    240 - 493Oxon Hill, MDUs Lec Of MarylandPrince GeorgesLandline01/14/2000
    240 - 494Mount Rainier, MDCavalier East LLCPrince GeorgesLandline05/09/2001
    240 - 495Mount Rainier, MDCellco Partnership DBA Verizon WirelessPrince GeorgesCell Number10/29/2013
    240 - 497Chevy Chase, MDVerizon MarylandMontgomeryLandline10/31/2000
    240 - 498Beltsville, MDSprint Spectrum L.p.Prince GeorgesCell Number10/31/2000
    240 - 499Cabin John, MDUs Lec Of MarylandMontgomeryLandline01/14/2000
    240 - 500Hagerstown, MDUs Lec Of MarylandWashingtonLandline10/21/2010
    240 - 501Silver Spring, MDSprint Spectrum L.p.MontgomeryCell Number10/08/2001
    240 - 502Silver Spring, MDSprint Spectrum L.p.MontgomeryCell Number10/04/2011
    240 - 503Newburg, MDPeerless Network Of MarylandCharlesLandline04/09/2013
    240 - 504Silver Spring, MDSprint Spectrum L.p.MontgomeryCell Number10/04/2011
    240 - 505Silver Spring, MDOmnipoint Communications Cap OperationsMontgomeryCell Number10/31/2001
    240 - 506Rockville, MDNew Cingular Wireless PCS - DCMontgomeryCell Number01/09/2002
    240 - 507Cabin John, MDCellco Partnership DBA Verizon WirelessMontgomeryCell Number09/05/2008
    240 - 508Capitol Heights, MDSprint Spectrum L.p.Prince GeorgesCell Number02/27/1999
    240 - 509Crofton, MDBandwidth.com ClecAnne ArundelLandline03/31/2008
    240 - 510Upper Marlboro, MDXo MarylandPrince GeorgesLandline10/31/2001
    240 - 512College Park, MDCore CommunicationsPrince GeorgesLandline08/08/2006
    240 - 513Hagerstown, MDSprint Spectrum L.p.WashingtonCell Number10/19/2011
    240 - 514Cabin John, MDUs Lec Of MarylandMontgomeryLandline01/14/2000
    240 - 515Bethesda, MDNew Cingular Wireless PCS - DCMontgomeryCell Number06/20/2001
    240 - 516Silver Spring, MDUs Lec Of MarylandMontgomeryLandline01/14/2000
    240 - 518Waldorf, MDSprint Spectrum L.p.CharlesCell Number10/21/2011
    240 - 519Bethesda, MDSprint Spectrum L.p.MontgomeryCell Number11/10/2011
    240 - 520Hagerstown, MDSprint Spectrum L.p.WashingtonCell Number03/29/2006
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