Area Code 240 Info

States:
Maryland

Cities:
Frederick, Beltsville, Pikesville, Baltimore, Highfield, Sterling, Gaithersburg, Annapolis Junction, Nottingham, Emmitsburg, Oxon Hill, Waldorf, Upper Marlboro, Poolesville, Lexington Park, Hagerstown, Monrovia, Ijamsville, Greenbelt, Mount Rainier, College Park, Hughesville, Glenn Dale, Mclean, Mechanicsville, Odenton, Germantown, Herndon, Capitol Heights, Hanover, Cumberland, Laurel, Damascus, Tall Timbers, Bethesda, Oakland, Myersville, Mccoole, Chevy Chase, Temple Hills, Rockville, Clinton, Lanham, Newburg, Leonardtown, Grantsville, Brandywine, Ashton, Kensington, Buckeystown, Mount Airy, La Plata, Silver Spring, Indian Head, Nanjemoy, Vienna, Smithsburg, Ridge, Washington, Reston, Hancock, Hyattsville

240 Phone Directory

Exchanges in Area Code 240