District of Columbia Area Codes: List, Map, and Phone Lookup

There are 1 active area codes in the state of District of Columbia. Each of these area codes are listed below. There are two lists that Wirefly provides for the area codes in District of Columbia. The first table below shows the most populated cities in District of Columbia with the area codes listed next to them. The next table shows the all the District of Columbia state area codes by number with the names of the city they are used in.