Most numbers within Area Code 240 are located in the following cities: Bethesda, Ridge, California, Hagerstown, Rockville, Glenn Dale, Damascus, La Plata, Indian Head, Waldorf, Community Support and Referral Services, Oakland, Mechanicsville, Frederick, Nanjemoy, Poolesville, Kensington, Gaithersburg, Montgomery Village, College Park, Hughesville, Newburg, Lexington Park, Leonardtown, Suitland, Clinton, Silver Spring, Brandywine, Cascade, Oxon Hill, Laurel, Grantsville, Frostburg, Hancock, Thurmont, Hyattsville, Romney, Capitol Heights, Emmitsburg, Non Emergency Services, Westernport, Sandy Spring, Upper Marlboro, Buckeystown, Myersville, Cumberland, Williamsport, Mount Airy, Washington, 411 Local Directory Assistance, Middletown, Travel Information Services, Directory Assistance, Flintstone, Glasgow, Greenbelt, Takoma Park, Dubuque, Lusby, Greencastle, Telco Repair Service, Wichita Falls, Accokeek, Harpers Ferry, Birmingham, Lanham, San Diego, Temple Hills, Southbridge, Riverdale, Valley View, Perrin, Smithsburg, Ridgeley, Arlington, Fort Washington, District Heights, Olney, Raleigh, Lonaconing, Campbellsville, Woodbridge, Molino, Flushing, One Call Services Pipeline and Utility Safety, Jacksonville, Keedysville, Fort Lauderdale, Bladensburg, Orlando, Baltimore, Mount Savage, Bowie, Vandalia, Maiden, Houston, Walkersville, Brooklyn, Emergency Services, New Market, Germantown, Danbury, San Antonio, Gurley, South Richmond Hill, Crofton, Broadband and Ip Services, Utica, Boca Raton, Cary, Beaufort, Martinsburg, Fairfax, Dunkirk, Pasadena, Standard Plant Test Code, Saint Louis, Derwood, Information Provider, Columbus, Brunswick.
About Bethesda, Maryland
Bethesda is a census-designated place in southern Montgomery County, Maryland, United States, located just northwest of the U.S. capital of Washington, D.C. It takes its name from a local church, the Bethesda Meeting House (1820, rebuilt 1849), which in turn took its name from Jerusalem's Pool of Bethesda. In Aramaic, ܒܝܬ ܚܣܕܐ beth ḥesda means "House of Mercy" and in Hebrew, בית חסד "beit ḥesed" means "House of Kindness". The National Institutes of Health main campus and the Walter Reed National Military Medical Center are in Bethesda, as are a number of corporate and government headquarters.In 2014 it placed first in Forbes' list of America's most educated small towns and first on Time's list of top earning towns. As an unincorporated area, Bethesda has no official boundaries. The United States Census Bureau defines a census-designated place named Bethesda whose center is located at 38°59′N 77°7′W / 38.983°N 77.117°W / 38.983; -77.117. The United States Geological Survey has defined Bethesda as an area whose center is at 38°58′50″N 77°6′2″W / 38.98056°N 77.10056°W / 38.98056; -77.10056, slightly different from the Census Bureau's definition. Other definitions are used by the Bethesda Urban Planning District, the United States Postal Service (which defines Bethesda to comprise the zip codes 20810, 20811, 20813, 20814, 20815, 20816, and 20817), and other organizations. According to estimates released by the U.S. Census Bureau in 2013, the community had a total population of 63,374. Most of Bethesda's residents are in Maryland Legislative District 16.