Area Code 301

The 301 Area Code (or Area Code 301) is located in the state of MD. Area Code 301 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 2.89 million unique phone numbers and 12.2 million individuals near the city of Indian Head

Area Code 301 History

Area code 301 was put into service. In 1991 area code 301 was split to form area code 410. In 1997 area codes 301 was overlaid with area code 240.

Following cities also use area code 301:

Accident, Adamstown, Annapolis, Ashton, Avenue, Baltimore, Beltsville, Bethesda, Bittinger, Bowie, Brandywine, Brunswick, Bryans Road, Cabin John, Capitol Heights, Chevy Chase, Clear Spring, Clinton, College Park, Columbia, Cumberland, Damascus, Edgewater, Emmitsburg, Fort Washington, Frederick, Friendsville, Frostburg, Gaithersburg, Glen Echo, Glenn Dale, Grantsville, Greenbelt, Hagerstown, Hancock, Highfield, Hollywood, Hughesville, Hyattsville, Indian Head, Issue, Keedysville, Kensington, Kitzmiller, La Plata, Landover, Lanham, Laurel, Leonardtown, Lexington Park, Lonaconing, Mc Henry, Mccoole, Mechanicsville, Middletown, Monrovia, Mount Airy, Mount Rainier, Mount Savage, Myersville, Nanjemoy, New Market, North Beach, Oakland, Odenton, Oldtown, Oxon Hill, Patuxent River, Poolesville, Ridge, Rockville, Sandy Spring, Silver Spring, Smithsburg, Suitland, Swanton, Tall Timbers, Temple Hills, Thurmont, Upper Marlboro, Valley Lee, Waldorf, Walkersville, Westernport, Williamsport.

ZIP codes in Area Code 301: