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301 Area Code

The 301 area code covers the southern and western parts of Maryland. Some of the cities that you might immediately recognize that fall in area code 301 include:

Aspen Hill
Bethesda
Bowie
Brunswick
College Park
Cumberland
Frederick
Gaithersburg
Golden Beach
Greenbelt
Hagerstown
Hyattsville
Laurel
Lexington Park
Montgomery Village
New Carrollton
Potomac
Rockville
St. Charles
St. Marys City
Silver Spring
Wheaton
suburbs of Washington D.C.

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