USA Phone Code Guide
USA Phone
Code Guide

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

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: 1345678910
Company District Major City Prefix
Verizon MarylandMontgomerySilver Spring, MD+1 (301) 282-XXXX
Verizon MarylandCharlesBryans Road, MD+1 (301) 283-XXXX
Mcimetro Access Transmission Services LLCMontgomeryRockville, MD+1 (301) 284-XXXX
Verizon MarylandMontgomerySilver Spring, MD+1 (301) 285-XXXX
Verizon MarylandPrince George'sGreenbelt, MD+1 (301) 286-XXXX
Mcimetro Access Transmission Services LLCMontgomeryRockville, MD+1 (301) 287-XXXX
Mcimetro Access Transmission Services LLCMontgomeryRockville, MD+1 (301) 288-XXXX
Mcimetro Access Transmission Services LLCPrince George'sCollege Park, MD+1 (301) 289-XXXX
Verizon MarylandSaint Mary'sMechanicsville, MD+1 (301) 290-XXXX
Mcimetro Access Transmission Services LLCPrince George'sMount Rainier, MD+1 (301) 291-XXXX
Verizon MarylandPrince George'sFort Washington, MD+1 (301) 292-XXXX
Verizon MarylandFrederickMyersville, MD+1 (301) 293-XXXX
Verizon MarylandMontgomeryRockville, MD+1 (301) 294-XXXX
Verizon MarylandMontgomeryRockville, MD+1 (301) 295-XXXX
Mci Worldcom CommunicationsMontgomeryRockville, MD+1 (301) 296-XXXX
Verizon MarylandPrince George'sFort Washington, MD+1 (301) 297-XXXX
Mcimetro Access Transmission Services LLCPrince George'sUpper Marlboro, MD+1 (301) 298-XXXX
Verizon MarylandMontgomeryBethesda, MD+1 (301) 299-XXXX
Cellco Partnership DBA Verizon WirelessBethesda, MD+1 (301) 300-XXXX
NationslineWashingtonHagerstown, MD+1 (301) 302-XXXX
Usa Mobility WirelessPrince George'sGreenbelt, MD+1 (301) 303-XXXX
Comcast Phone Of Northern MarylandFrederick, MD+1 (301) 304-XXXX
Sprint Spectrum L.p.FrederickFrederick, MD+1 (301) 305-XXXX
Verizon MarylandPrince George'sLanham, MD+1 (301) 306-XXXX
Verizon MarylandPrince George'sCollege Park, MD+1 (301) 307-XXXX
Usa Mobility WirelessPrince George'sGreenbelt, MD+1 (301) 308-XXXX
Verizon MarylandMontgomeryRockville, MD+1 (301) 309-XXXX
Verizon MarylandHowardColumbia, MD+1 (301) 310-XXXX
New Cingular Wireless PCS - DCMontgomeryOxon Hill, MD+1 (301) 312-XXXX
Verizon MarylandPrince George'sGreenbelt, MD+1 (301) 313-XXXX
Paetec CommunicationsPrince George'sHyattsville, MD+1 (301) 314-XXXX
Verizon MarylandMontgomeryRockville, MD+1 (301) 315-XXXX
Verizon MarylandPrince George'sTemple Hills, MD+1 (301) 316-XXXX
Verizon MarylandPrince George'sLaurel, MD+1 (301) 317-XXXX
New Cingular Wireless PCS - DCMontgomeryBethesda, MD+1 (301) 318-XXXX
Verizon MarylandMontgomeryRockville, MD+1 (301) 319-XXXX
Verizon MarylandMontgomeryGlen Echo, MD+1 (301) 320-XXXX
Telcove OperationsMontgomeryRockville, MD+1 (301) 321-XXXX
Verizon MarylandPrince George'sHyattsville, MD+1 (301) 322-XXXX
Tw Telecom Of Maryland LLCPrince George'sLaurel, MD+1 (301) 323-XXXX
Verizon MarylandPrince George'sCapitol Heights, MD+1 (301) 324-XXXX
Cellco Partnership DBA Verizon WirelessMontgomerySilver Spring, MD+1 (301) 325-XXXX
Omnipoint Communications Cap OperationsMontgomerySilver Spring, MD+1 (301) 326-XXXX
NationslineUpper Marlboro, MD+1 (301) 327-XXXX
Comcast Phone Of Northern MarylandSilver Spring, MD+1 (301) 328-XXXX
Usa Mobility WirelessPrince George'sGreenbelt, MD+1 (301) 329-XXXX
Verizon MarylandMontgomeryGaithersburg, MD+1 (301) 330-XXXX
New Cingular Wireless PCS - DCWashingtonHagerstown, MD+1 (301) 331-XXXX
New Cingular Wireless PCS - DCMontgomerySilver Spring, MD+1 (301) 332-XXXX
Verizon MarylandPrince George'sCapitol Heights, MD+1 (301) 333-XXXX
Verizon MarylandGarrettOakland, MD+1 (301) 334-XXXX
New Cingular Wireless PCS - DCMontgomeryBethesda, MD+1 (301) 335-XXXX
Verizon MarylandPrince George'sCapitol Heights, MD+1 (301) 336-XXXX
Mci Worldcom CommunicationsMontgomeryGaithersburg, MD+1 (301) 337-XXXX
Idt America CorpCumberland, MD+1 (301) 338-XXXX
Cavalier Telephone Mid-atlanticMontgomeryRockville, MD+1 (301) 339-XXXX
Verizon MarylandMontgomeryRockville, MD+1 (301) 340-XXXX
Verizon MarylandPrince George'sHyattsville, MD+1 (301) 341-XXXX
Verizon MarylandSaint Mary'sPatuxent River, MD+1 (301) 342-XXXX
Nextel CommunicationsPrince George'sCapitol Heights, MD+1 (301) 343-XXXX
Verizon MarylandPrince George'sGreenbelt, MD+1 (301) 344-XXXX
Verizon MarylandPrince George'sGreenbelt, MD+1 (301) 345-XXXX
New Cingular Wireless PCS - DCMontgomerySilver Spring, MD+1 (301) 346-XXXX
Verizon MarylandMontgomeryChevy Chase, MD+1 (301) 347-XXXX
Mci Worldcom CommunicationsMontgomeryKensington, MD+1 (301) 348-XXXX
Verizon MarylandMontgomeryPoolesville, MD+1 (301) 349-XXXX
Verizon MarylandPrince George'sCapitol Heights, MD+1 (301) 350-XXXX
Cellco Partnership DBA Verizon WirelessMontgomerySilver Spring, MD+1 (301) 351-XXXX
Verizon MarylandPrince George'sBowie, MD+1 (301) 352-XXXX
Verizon MarylandMontgomeryGaithersburg, MD+1 (301) 353-XXXX
Teleport Communications Group - DCMontgomeryRockville, MD+1 (301) 354-XXXX
Verizon MarylandMontgomeryGaithersburg, MD+1 (301) 355-XXXX
Vdl DBA Global Telecom BrokersPrince George'sLaurel, MD+1 (301) 356-XXXX
Cellco Partnership DBA Verizon WirelessMount Rainier, MD+1 (301) 357-XXXX
Level 3 CommunicationsPrince George'sUpper Marlboro, MD+1 (301) 358-XXXX
Verizon MarylandAlleganyWesternport, MD+1 (301) 359-XXXX
Verizon MarylandFrederickFrederick, MD+1 (301) 360-XXXX
Tw Telecom Of Maryland LLCPrince George'sLaurel, MD+1 (301) 361-XXXX
Verizon MarylandPrince George'sLaurel, MD+1 (301) 362-XXXX
Level 3 CommunicationsDamascus, MD+1 (301) 363-XXXX

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