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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.

The 240 area code serves one of the most densely populated and economically important areas of the state, home to numerous federal agencies, biotech firms, and commuter communities. While 301 …

4 days ago · 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. …

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

Find 240 area code details including city, time zone, and map. Lookup area code 240 phone number, name, and location.

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 …

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.

To start a free reverse phone lookup, simply enter the full 10-digit number (including the 240 area code) below and access available caller information such as name, address, and more.

Jun 1, 1997 · View all phone prefixes used in area code 240 or other area codes in Maryland. Included with the location of each prefix are the phone companies / service providers that operates them.