Database of North America’s phone numbers
Database of North America’s
phone numbers

Telephone Area 240. Page 1.

Phone numbers of the state Maryland
Prefix: +1240
This prefix is distributed within the state Maryland
The largest city in the region is Gaithersburg
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
Below on the map, there is indicated the largest city in the telephone area +1-240-...-.... Maryland Gaithersburg.

If you notice any errors of any community’s location on the map, please report it via the feedback form.

Phone numbers +1-240-YYY-YYYY

Other pages: 134567
Company District Major City Prefix
NationslineFrederickThurmont, MD+1-240288-SSSS
Cavalier Telephone Mid-atlanticPrince George'sOxon Hill, MD+1-240289-SSSS
Allegiance TelecomPrince George'sMount Rainier, MD+1-240290-SSSS
New Cingular Wireless PCS - DCWashingtonHagerstown, MD+1-240291-SSSS
Verizon MarylandMontgomeryKensington, MD+1-240292-SSSS
Starpower CommunicationsMontgomerySilver Spring, MD+1-240293-SSSS
Xo MarylandPrince George'sLaurel, MD+1-240294-SSSS
Cavalier Telephone Mid-atlanticPrince George'sLaurel, MD+1-240295-SSSS
Cavalier Telephone Mid-atlanticPrince George'sHyattsville, MD+1-240296-SSSS
Level 3 CommunicationsPrince George'sCollege Park, MD+1-240297-SSSS
Cellco Partnership DBA Verizon WirelessSaint Mary'sLeonardtown, MD+1-240298-SSSS
Nextel CommunicationsCharlesWaldorf, MD+1-240299-SSSS
Cellco Partnership DBA Verizon WirelessWaldorf, MD+1-240300-SSSS
Cavalier Telephone Mid-atlanticPrince George'sClinton, MD+1-240303-SSSS
Nextel CommunicationsPrince George'sMount Rainier, MD+1-240304-SSSS
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1-240305-SSSS
Allegiance TelecomMontgomeryGaithersburg, MD+1-240306-SSSS
AT&T LocalFrederickEmmitsburg, MD+1-240307-SSSS
New Cingular Wireless PCS - DCMontgomeryDamascus, MD+1-240308-SSSS
Uscoc Of Cumberland DBA United States Cel MdWashingtonHagerstown, MD+1-240310-SSSS
Cavalier Telephone Mid-atlanticPrince George'sCapitol Heights, MD+1-240312-SSSS
Verizon MarylandWashingtonHagerstown, MD+1-240313-SSSS
Verizon MarylandMontgomeryRockville, MD+1-240314-SSSS
Verizon MarylandFrederickFrederick, MD+1-240315-SSSS
Sprint Spectrum L.p.Chevy Chase, MD+1-240316-SSSS
Starpower CommunicationsSaint Mary'sCallaway, MD+1-240317-SSSS
Verizon MarylandPrince George'sClinton, MD+1-240318-SSSS
Cellco Partnership DBA Verizon WirelessColumbia, MD+1-240319-SSSS
Cavalier East LLCCharlesWaldorf, MD+1-240320-SSSS
Uscoc Of Cumberland DBA United States Cel MdGarrettOakland, MD+1-240321-SSSS
Core CommunicationsAlleganyMccoole, MD+1-240322-SSSS
Core CommunicationsFrederickEmmitsburg, MD+1-240323-SSSS
Ymax Communications Corp.Clarksville, MD+1-240324-SSSS
Core CommunicationsMontgomeryDamascus, MD+1-240325-SSSS
Cavalier Telephone Mid-atlanticPrince George'sUpper Marlboro, MD+1-240326-SSSS
Core CommunicationsMontgomeryGaithersburg, MD+1-240327-SSSS
Verizon MarylandMontgomeryRockville, MD+1-240328-SSSS
Level 3 CommunicationsWashingtonHagerstown, MD+1-240329-SSSS
Sprint Spectrum L.p.Cabin John, MD+1-240330-SSSS
Global Naps SouthMontgomerySilver Spring, MD+1-240331-SSSS
Global Naps SouthCharlesNewburg, MD+1-240332-SSSS
Cavalier East LLCMontgomeryMount Rainier, MD+1-240333-SSSS
Global Crossing Local Services-mdPrince George'sMount Rainier, MD+1-240334-SSSS
Cavalier Telephone Mid-atlanticPrince George'sGlenn Dale, MD+1-240335-SSSS
Core CommunicationsMontgomeryBethesda, MD+1-240336-SSSS
Global Naps SouthPrince George'sCapitol Heights, MD+1-240337-SSSS
Cellco Partnership DBA Verizon WirelessMontgomerySilver Spring, MD+1-240338-SSSS
Cavalier East LLCPrince George'sUpper Marlboro, MD+1-240339-SSSS
Mci Worldcom CommunicationsAdamstown, MD+1-240341-SSSS
Starpower CommunicationsMontgomerySandy Spring, MD+1-240342-SSSS
Cellco Partnership DBA Verizon Wireless+1-240343-SSSS
New Cingular Wireless PCS - DCFrederickFrederick, MD+1-240344-SSSS
Level 3 CommunicationsSandy Spring, MD+1-240345-SSSS
Sprint Spectrum L.p.CharlesWaldorf, MD+1-240346-SSSS
Bandwidth.com ClecHagerstown, MD+1-240347-SSSS
Level 3 CommunicationsPrince George'sClinton, MD+1-240348-SSSS
Global Crossing Local Services-mdCharlesLa Plata, MD+1-240349-SSSS
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1-240350-SSSS
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1-240351-SSSS
Global Naps SouthCharlesLa Plata, MD+1-240352-SSSS
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1-240353-SSSS
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1-240354-SSSS
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1-240355-SSSS
Level 3 CommunicationsFrederickFrederick, MD+1-240356-SSSS
Cellco Partnership DBA Verizon WirelessFrederick, MD+1-240357-SSSS
Global Naps SouthMontgomeryDamascus, MD+1-240358-SSSS
Global Naps SouthCharlesIndian Head, MD+1-240359-SSSS
Cavalier Telephone Mid-atlanticMontgomeryGaithersburg, MD+1-240361-SSSS
Verizon MarylandAlleganyCumberland, MD+1-240362-SSSS
Global Naps SouthMontgomeryKensington, MD+1-240363-SSSS
Cavalier East LLCMontgomeryGaithersburg, MD+1-240364-SSSS
Baltimore-washington Telephone BwtMontgomeryDamascus, MD+1-240365-SSSS
AT&T LocalWashingtonWilliamsport, MD+1-240366-SSSS
Nextel CommunicationsFrederickFrederick, MD+1-240367-SSSS
Global Naps SouthCharlesWaldorf, MD+1-240368-SSSS
Core CommunicationsFrederickMount Airy, MD+1-240369-SSSS
Sprint Spectrum L.p.Bethesda, MD+1-240370-SSSS
Global Naps SouthMontgomerySilver Spring, MD+1-240371-SSSS
Nextel CommunicationsMontgomeryGaithersburg, MD+1-240372-SSSS
Verizon MarylandAnne ArundelOdenton, MD+1-240373-SSSS

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