District of Columbia County Area Codes

About District of Columbia County Area Codes

The county of District of Columbia County, located in District of Columbia, is served by 1 telephone area code(s) in this dataset. These calling codes cover cities, suburbs, and unincorporated communities across the county.

Major phone area codes used in District of Columbia County include 202. The county mainly follows the America/New_York time zone.

Cities and towns served by these area codes in District of Columbia County include Washington.

List of Area Codes in District of Columbia County, District of Columbia

The table below lists all telephone area codes used in District of Columbia County, District of Columbia, along with their associated cities and time zones from this dataset.

Related Area Code Pages

Explore related area code resources on Burning Compass:

• All area codes in District of Columbia
• Individual area code details are available from the table above.