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Germantown, Maryland Area Code |
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Germantown, MD Area Codes are 240, 301 |
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Germantown, MD is currently using two area codes 240 and 301. In addition to Germantown, MD, area codes 240 and 301
serves all of western Maryland. Germantown, Maryland utilizes an area code overlay in which area codes 240 and 301 serve the same geographic area. The area code overlay which serves Germantown, MD was put
into service on June 1, 1997 at which time area code 240 was created as an overlay of area code 301. Area code 301 originally covered the entire state of Maryland, including Germantown when it was put into
service on June 1, 1947. Ten digit dialing (area code + seven digit number) is necessary in Germantown, MD because two different homes in the same geographic area can have the same seven digit phone
number but each would have a different area code. |
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Maryland Area Codes |
240, 301, 410, 443 |
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