USA Phone Code Guide
USA Phone
Code Guide

Telephone Area +1 (240) XXX-XXXX / Page 5

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.

In the United States, telephone numbers are divided into a country code (+1), an area code (or prefix), which is three digits long, and a subscriber number (seven digits). These are just a few examples, and there are over 300 area codes in the United States. Each code can cover both large cities and less populated areas depending on population density and telephone network distribution.



The table below shows the main major cities and telecom operators.

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

Phone numbers +1 (240) XXX-XXXX

Other pages: 123457
Company District Major City Prefix
Cavalier East LLCPrince George'sMount Rainier, MD+1 (240) 737-XXXX
New Cingular Wireless PCS - DCOxon Hill, MD+1 (240) 743-XXXX
Broadwing Communications. LLCPrince George'sMount Rainier, MD+1 (240) 744-XXXX
Xo MarylandMontgomeryDamascus, MD+1 (240) 745-XXXX
Cavalier East LLCMontgomeryKensington, MD+1 (240) 747-XXXX
New Cingular Wireless PCS - DCMontgomeryGaithersburg, MD+1 (240) 750-XXXX
Telcove OperationsMontgomeryGaithersburg, MD+1 (240) 751-XXXX
Telcove OperationsMontgomeryBethesda, MD+1 (240) 752-XXXX
Telcove OperationsMontgomeryRockville, MD+1 (240) 753-XXXX
Comcast Phone Of Northern MarylandPrince George'sLaurel, MD+1 (240) 755-XXXX
Global Naps SouthPrince George'sCollege Park, MD+1 (240) 757-XXXX
Xo MarylandPrince George'sHyattsville, MD+1 (240) 764-XXXX
Xo MarylandPrince George'sChevy Chase, MD+1 (240) 765-XXXX
Xo MarylandPrince George'sChevy Chase, MD+1 (240) 766-XXXX
Cavalier East LLCPrince George'sCapitol Heights, MD+1 (240) 767-XXXX
Comcast Phone Of Northern MarylandPrince George'sOxon Hill, MD+1 (240) 770-XXXX
Verizon MarylandMontgomeryRockville, MD+1 (240) 773-XXXX
Broadwing Communications. LLCCharlesLa Plata, MD+1 (240) 776-XXXX
Verizon MarylandMontgomeryRockville, MD+1 (240) 777-XXXX
Xo MarylandMontgomeryChevy Chase, MD+1 (240) 778-XXXX
Cavalier East LLCMontgomerySandy Spring, MD+1 (240) 779-XXXX
Broadwing Communications. LLCMontgomeryGaithersburg, MD+1 (240) 780-XXXX
Global Crossing Local Services-mdMontgomeryDamascus, MD+1 (240) 782-XXXX
Mte DBA Mte Paging NetworkMontgomeryBethesda, MD+1 (240) 783-XXXX
Omnipoint Communications Cap OperationsFrederickMyersville, MD+1 (240) 784-XXXX
Broadwing Communications. LLCPrince George'sLaurel, MD+1 (240) 786-XXXX
Broadwing Communications. LLCPrince George'sBrandywine, MD+1 (240) 787-XXXX
Broadwing Communications. LLCPrince George'sMount Rainier, MD+1 (240) 788-XXXX
Broadwing Communications. LLCPrince George'sMount Rainier, MD+1 (240) 790-XXXX
Nextel CommunicationsMontgomeryGaithersburg, MD+1 (240) 793-XXXX
Broadwing Communications. LLCSaint Mary'sCallaway, MD+1 (240) 794-XXXX
Xo MarylandCharlesNewburg, MD+1 (240) 804-XXXX
Global Crossing Local Services-mdMontgomeryPoolesville, MD+1 (240) 812-XXXX
Atx Telecommunications Services, LtdMontgomeryGaithersburg, MD+1 (240) 813-XXXX
Verizon MarylandWashingtonSmithsburg, MD+1 (240) 818-XXXX
Lightwave CommunicationsMontgomerySilver Spring, MD+1 (240) 821-XXXX
Xo MarylandPrince George'sBrandywine, MD+1 (240) 823-XXXX
+1 (240) 825-XXXX
Verizon MarylandRockville, MD+1 (240) 826-XXXX
Nextel CommunicationsMontgomeryBethesda, MD+1 (240) 832-XXXX
Xo MarylandMontgomeryChevy Chase, MD+1 (240) 833-XXXX
Montgomery+1 (240) 835-XXXX
Xo MarylandCharlesHughesville, MD+1 (240) 837-XXXX
Omnipoint Communications Cap OperationsPrince George'sOxon Hill, MD+1 (240) 838-XXXX
Cellco Partnership DBA Verizon WirelessSilver Spring, MD+1 (240) 839-XXXX
Allegiance TelecomPrince George'sLaurel, MD+1 (240) 841-XXXX
Allegiance TelecomPrince George'sGlenn Dale, MD+1 (240) 842-XXXX
Allegiance TelecomPrince George'sCollege Park, MD+1 (240) 843-XXXX
Xo MarylandSaint Mary'sRidge, MD+1 (240) 844-XXXX
Xo MarylandPrince George'sChevy Chase, MD+1 (240) 845-XXXX
Xo MarylandPrince George'sClinton, MD+1 (240) 846-XXXX
Nextel CommunicationsMontgomeryGaithersburg, MD+1 (240) 848-XXXX
Sprint Spectrum L.p.Bethesda, MD+1 (240) 855-XXXX
Tw Telecom Of Maryland LLCPrince George'sMount Rainier, MD+1 (240) 857-XXXX
Tw Telecom Of Maryland LLCPrince George'sLaurel, MD+1 (240) 863-XXXX
Cavalier East LLCMontgomeryRockville, MD+1 (240) 864-XXXX
Level 3 CommunicationsAnne ArundelBaltimore, MD+1 (240) 865-XXXX
Cavalier East LLCMontgomeryMount Rainier, MD+1 (240) 868-XXXX
Nextel CommunicationsMontgomeryBethesda, MD+1 (240) 876-XXXX
Broadwing Communications. LLCPrince George'sMount Rainier, MD+1 (240) 880-XXXX
Nextel CommunicationsPrince George'sCapitol Heights, MD+1 (240) 882-XXXX
Broadwing Communications. LLCMontgomerySandy Spring, MD+1 (240) 883-XXXX
New Cingular Wireless PCS - DCMontgomeryRockville, MD+1 (240) 888-XXXX
Broadwing Communications. LLCPrince George'sUpper Marlboro, MD+1 (240) 892-XXXX
New Cingular Wireless PCS - DCMontgomerySilver Spring, MD+1 (240) 893-XXXX
Verizon MarylandSaint Mary'sLexington Park, MD+1 (240) 895-XXXX
Broadwing Communications. LLCPrince George'sMount Rainier, MD+1 (240) 897-XXXX
Broadwing Communications. LLCPrince George'sMount Rainier, MD+1 (240) 898-XXXX
Omnipoint Communications Cap OperationsMontgomeryBethesda, MD+1 (240) 899-XXXX
Us Lec Of MarylandMontgomeryGaithersburg, MD+1 (240) 912-XXXX
Level 3 CommunicationsAlleganyCumberland, MD+1 (240) 920-XXXX
Cellco Partnership DBA Verizon WirelessSaint Mary'sLeonardtown, MD+1 (240) 925-XXXX
Cavalier East LLCPrince George'sMount Rainier, MD+1 (240) 929-XXXX
Omnipoint Communications Cap OperationsMontgomeryAshton, MD+1 (240) 938-XXXX
Cavalier East LLCPrince George'sClinton, MD+1 (240) 949-XXXX
Verizon MarylandCumberland, MD+1 (240) 964-XXXX
Paetec CommunicationsPrince George'sCollege Park, MD+1 (240) 965-XXXX
Baltimore-washington Telephone Bwt+1 (240) 976-XXXX
Level 3 CommunicationsAlleganyCumberland, MD+1 (240) 979-XXXX
Xo MarylandCharlesNanjemoy, MD+1 (240) 986-XXXX

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