Area Code 202
Area Code 202 is in
Area Code 202 History:
Changes and History of Washington, DC Area Codes:
Area code 202 was officially put into service.
Area code 202 is used exclusively inside of the District of Columbia.
Area code 771 will be put into service on 11/09/2021 as an all services overlay of area code 202. Ten digit dialing (area code + seven digit number) will be necessary in the 202/771 overlay effective October 9, 2021 because different homes in the same geographic area can have the same seven digit phone number but each would have a different area code.