240 Area Code - Location map, time zone, and phone lookup Where is area code 240? Area code 240 is located in western Maryland and covers Germantown, Silver Spring, Waldorf, Frederick, and Rockville It is an overlay for area code 301 and serves the same area
240 Area Code Phone Numbers | Whitepages Browse area code 240 phone numbers, prefixes and exchanges The 240 area code serves Washington, Beltsville, Frederick, Hagerstown, Annapolis Junction, covering 46 ZIP codes in 16 counties
240 Area Code - Location, Time, Map, Cities and Census Data Area Code 240 is located in Maryland It covers 111 cities, including Baltimore, Columbia, Cumberland, Waldorf, and Silver Spring It also covers 13 counties, including Montgomery County, Prince Georges County, Frederick County, Charles County, and Howard County
Area Code 240 - Maryland - Zipdatamaps Area Code 240 Boundary Map List of ZIP Codes in Area Code 240 List of Counties in Area Code 240 List of Major Cities Towns in Area Code 240
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240 area code — information, time zone, map 240 is an area code located in the state of Maryland, US The largest city it serves is Germantown Find out where 240 area code zone from, which states, counties and cities it covers Get the most exact information on time zones here
Area codes 301, 240, and 227 - Wikipedia In 1997, area code 240 was added as an overlay area code for the 301 territory On June 14, 2023, a third overlay code, 227, was added to provide more central office prefixes for new telephone numbers