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College Park, Maryland Area Code |
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College Park, MD Area Codes are 240, 301 |
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College Park, MD is currently using two area codes 240 and 301. In addition to College Park, MD, area codes 240 and 301
serves all of western Maryland. College Park, Maryland utilizes an area code overlay in which area codes 240 and 301 serve the same geographic area. The area code overlay which serves College Park, 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 College Park when it was put
into service on June 1, 1947. Ten digit dialing (area code + seven digit number) is necessary in College Park, 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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