USA Phone Code Guide
USA Phone
Code Guide

Telephone Area +1 (301) XXX-XXXX / Page 7

Phone numbers of the state Maryland
Prefix: +1301
This prefix is distributed within the state Maryland
The largest city in the region is Rockville
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 +1-301-...-.... Maryland Rockville.

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 (301) XXX-XXXX

Other pages: 1234567910
Company District Major City Prefix
Cellco Partnership DBA Verizon WirelessMontgomerySilver Spring, MD+1 (301) 775-XXXX
Verizon MarylandPrince George'sLaurel, MD+1 (301) 776-XXXX
Verizon MarylandAlleganyCumberland, MD+1 (301) 777-XXXX
Mci Worldcom CommunicationsPrince George'sCapitol Heights, MD+1 (301) 778-XXXX
Verizon MarylandPrince George'sHyattsville, MD+1 (301) 779-XXXX
Verizon MarylandPrince George'sUpper Marlboro, MD+1 (301) 780-XXXX
New Frontiers TelecommunicationsAlleganyFrostburg, MD+1 (301) 781-XXXX
Verizon MarylandPrince George'sBrandywine, MD+1 (301) 782-XXXX
New Frontiers TelecommunicationsAlleganyCumberland, MD+1 (301) 783-XXXX
Verizon MarylandAlleganyCumberland, MD+1 (301) 784-XXXX
Cellco Partnership DBA Verizon WirelessMontgomerySilver Spring, MD+1 (301) 785-XXXX
Verizon MarylandAlleganyMccoole, MD+1 (301) 786-XXXX
Cellco Partnership DBA Verizon WirelessMontgomerySilver Spring, MD+1 (301) 787-XXXX
Cellco Partnership DBA Verizon WirelessFrederickFrederick, MD+1 (301) 788-XXXX
Core Communications - PAPrince George'sHyattsville, MD+1 (301) 789-XXXX
Verizon MarylandWashingtonHagerstown, MD+1 (301) 790-XXXX
Verizon MarylandWashingtonHagerstown, MD+1 (301) 791-XXXX
Omnipoint Communications Cap OperationsMontgomerySilver Spring, MD+1 (301) 792-XXXX
Omnipoint Communications Cap OperationsMontgomerySilver Spring, MD+1 (301) 793-XXXX
Verizon MarylandPrince George'sLanham, MD+1 (301) 794-XXXX
Mcimetro Access Transmission Services LLCMontgomeryHyattsville, MD+1 (301) 795-XXXX
Verizon MarylandPrince George'sCollege Park, MD+1 (301) 796-XXXX
Verizon MarylandWashingtonHagerstown, MD+1 (301) 797-XXXX
Verizon MarylandFrederickNew Market, MD+1 (301) 798-XXXX
Core CommunicationsWashingtonKeedysville, MD+1 (301) 799-XXXX
Virginia PCS Alliance, L.c.Hagerstown, MD+1 (301) 800-XXXX
Cellco Partnership DBA Verizon WirelessMontgomerySilver Spring, MD+1 (301) 801-XXXX
Cellco Partnership DBA Verizon WirelessMontgomerySilver Spring, MD+1 (301) 802-XXXX
Verizon MarylandMontgomeryRockville, MD+1 (301) 803-XXXX
Mcimetro Access Transmission Services LLCMontgomerySandy Spring, MD+1 (301) 804-XXXX
Verizon MarylandPrince George'sBowie, MD+1 (301) 805-XXXX
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1 (301) 806-XXXX
Cellco Partnership DBA Verizon WirelessMontgomerySilver Spring, MD+1 (301) 807-XXXX
Verizon MarylandPrince George'sCapitol Heights, MD+1 (301) 808-XXXX
Verizon MarylandPrince George'sBowie, MD+1 (301) 809-XXXX
AT&T LocalFrederickMonrovia, MD+1 (301) 810-XXXX
Verizon MarylandCalvertNorth Beach, MD+1 (301) 812-XXXX
Baltimore-washington Telephone BwtMontgomeryBethesda, MD+1 (301) 813-XXXX
New Cingular Wireless PCS - DCMontgomeryBethesda, MD+1 (301) 814-XXXX
Verizon MarylandFrederickFrederick, MD+1 (301) 815-XXXX
Verizon MarylandMontgomeryRockville, MD+1 (301) 816-XXXX
Verizon MarylandPrince George'sSuitland, MD+1 (301) 817-XXXX
Verizon MarylandCharlesWaldorf, MD+1 (301) 818-XXXX
Verizon MarylandMontgomerySilver Spring, MD+1 (301) 819-XXXX
AT&T LocalMontgomeryGaithersburg, MD+1 (301) 820-XXXX
AT&T LocalPrince George'sLaurel, MD+1 (301) 821-XXXX
AT&T LocalMontgomeryMount Rainier, MD+1 (301) 822-XXXX
AT&T LocalPrince George'sMount Rainier, MD+1 (301) 823-XXXX
Verizon MarylandWashingtonSmithsburg, MD+1 (301) 824-XXXX
AT&T LocalMontgomeryRockville, MD+1 (301) 825-XXXX
Verizon MarylandSaint Mary'sLexington Park, MD+1 (301) 826-XXXX
Verizon MarylandMontgomeryBethesda, MD+1 (301) 827-XXXX
AT&T LocalMontgomeryBethesda, MD+1 (301) 828-XXXX
Verizon MarylandFrederickMount Airy, MD+1 (301) 829-XXXX
AT&T LocalMontgomerySilver Spring, MD+1 (301) 830-XXXX
Verizon MarylandFrederickAdamstown, MD+1 (301) 831-XXXX
AT&T LocalPrince George'sMount Rainier, MD+1 (301) 832-XXXX
Teleport Communications Group - DCPrince George'sGlenn Dale, MD+1 (301) 833-XXXX
Verizon MarylandFrederickBrunswick, MD+1 (301) 834-XXXX
WashingtonHagerstown, MD+1 (301) 835-XXXX
Verizon MarylandPrince George'sTemple Hills, MD+1 (301) 836-XXXX
Mcimetro Access Transmission Services LLCPrince George'sHyattsville, MD+1 (301) 837-XXXX
Verizon MarylandMontgomeryRockville, MD+1 (301) 838-XXXX
Verizon MarylandPrince George'sOxon Hill, MD+1 (301) 839-XXXX
Verizon MarylandMontgomeryGaithersburg, MD+1 (301) 840-XXXX
Mcimetro Access Transmission Services LLCMontgomeryHyattsville, MD+1 (301) 841-XXXX
Verizon MarylandWashingtonClear Spring, MD+1 (301) 842-XXXX
Verizon MarylandCharlesWaldorf, MD+1 (301) 843-XXXX
Verizon MarylandPrince George'sMount Rainier, MD+1 (301) 844-XXXX
Verizon MarylandFrederickWalkersville, MD+1 (301) 845-XXXX
Verizon MarylandFrederickFrederick, MD+1 (301) 846-XXXX
Verizon MarylandPrince George'sBeltsville, MD+1 (301) 847-XXXX
Cellco Partnership DBA Verizon WirelessCharlesWaldorf, MD+1 (301) 848-XXXX
New Frontiers TelecommunicationsGarrettOakland, MD+1 (301) 849-XXXX
Level 3 CommunicationsPrince George'sGlenn Dale, MD+1 (301) 850-XXXX
Verizon MarylandPrince George'sHyattsville, MD+1 (301) 851-XXXX
Verizon MarylandPrince George'sHyattsville, MD+1 (301) 852-XXXX
Verizon MarylandPrince George'sHyattsville, MD+1 (301) 853-XXXX
Verizon MarylandHowardColumbia, MD+1 (301) 854-XXXX
Verizon MarylandPrince George'sUpper Marlboro, MD+1 (301) 855-XXXX

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