240 Area Code is a telephone code used in Maryland. It was created in 1997, as an overlaying code. Before this was done, 301 area code was the only code used for the entire Maryland area.
240 Area Code Places
Here is the list of all places that use 240 area code:
Accident, Adamstown, Andrews, Ardmore, Accokeek, Avenue, Aspen Hill, Adelphi, Avondale, Ashton, Aquasco, Abell, Barton, Beallsville, Barnesville, Beltsville, Benedicta, Berwyn Heights, Bel Alton, Bethesda, Beachville, Big Spring, Big Pool, Bloomington, Bladensburg, Bowie, Brinklow, Brookeville, Bittinger, Brandywine, Boyds, Bryans Road, Boonsboro, Buckeystown, Bushwood, Brunswick, Bryantown, Brentwood, Burtonsville, Burkittsville, Capitol Heights, California, Camp Springs, Chaptico, Charlotte Hall, Chevy Chase, Cabin John, Cheltenham, Cascade, Clear Spring, Calverton, Clarksburg, Cobb Island, Clements, Chillum, Callaway, College Estates, Cheverly, Colesville, Clinton, Colmar Manor, Cloverly, Coltons Point, Cottage City, College Park, Cresaptown, Comus, Cumberland, Corriganville, Crellin, Deer Park, Dentsville, Dickerson, District Heights, Dameron, Darnestown, Doubs, Damascus, Drayden, Derwood, Edmonston, Emmitsburg, Ellerslie, Fairmount Heights, Eckhart Mines, Flintstone, Fort Detrick, Fairplay, Forest Heights, Forestville, Fort Washington, Faulkner, Frostburg, Friendsville, Funkstown, Fort Ritchie, Friendship, Frederick, Garrett Park, Gaithersburg, Germantown, Glenmont, Gapland, Glenn Dale, Glen Echo, Great Mills, Glenarden, Green Meadow, Greenbelt, Graceham, Grantsville, Highland, Hagerstown, Hillcrest Heights, Hancock, Hollywood, Highfield, Hughesville, Hood College, Hyattstown, Hillandale, Hyattsville, Hutton, Indian Head, Ijamsville, Jennings, Issue, Jefferson, Kensington, Kitzmiller, Knoxville, Keedysville, Kettering, Landover Hills, Lanham Seabrook, La Plata, Langley Park, Landover, Lake Linganore, Laurel, Lanham, Laytonsville, Largo, Leonardtown, Lexington Park, Laplata, Libertytown, Lavale, Lewistown, Little Orleans, Luke, Lewisdale, Lonaconing, Marlow Heights, Maddox, Marshall Hall, Marbury, Mc Henry, Marlboro, Mechanicsville, Middletown, Maryland City, Midlothian, MNT Lake Park, Mitchellville, McCoole, Montgomery Village, Monrovia, Mount Rainier, Mountain Lake Park, Midland, Morningside, Maugansville, Mount Savage, Myersville, Mount Airy, Montpelier, New Market, Nanjemoy, Norbeck, New Carrollton, North Bethesda, North College Park, Newburg, North Englewood, Northern, North Brentwood, Oakland, North Potomac, Owings, Oldtown, Oxon Hill, Olney, Park Hall, Pisgah, Palmer Park, Piney Point, Pomfret, Point of Rocks, Patuxent River, Potomac, Prince Georges Metro, Poolesville, Rawlings, Port Tobacco, Rison, Rockville, Rocky Ridge, Rohrersville, Ridge, Rogers Heights, Russett, Riverdale, Saint Inigoes, Sandy Spring, Scaggsville, Seabrook, Sang Run, Seat Pleasant, Saint Charles, Sharpsburg, Scotland, Silver Spring, Somerset, South Bowie, Silver Hill, Spencerville, Smithsburg, Shallmar, Suitland, Spring Gap, Sunshine, Swanton, Springdale, Takoma Park, Swan Point, Tall Timbers, Tuscarora, Thurmont, Tuxedo, Temple Hills, University Park, Unity, Urbana, Upper Marlboro, Waldorf, Valley Lee, Welcome, Walkersville, West Hyattsville, Washington Grove, Westlake, Westernport, White Plains, Wheaton, Woodsboro and Williamsport.