District of Columbia Area Codes
2 active area codes · Washington · Population around 702,250
District of Columbia has 2 active area codes, serving cities like Washington. Some of them are overlays that share the same territory, so local calls there use all ten digits. Each code below links to its cities, carriers, timezone, and coverage map.
District of Columbia Area Code Map
What area codes does District of Columbia have?
* Sources: Population – U.S. Census Bureau PEP, Vintage 2024 (SUB-IP-EST2024-POP). Area code assignments – NANPA CO Code data. See our data methodology.
Frequently Asked Questions
How many area codes does District of Columbia have?
District of Columbia has 2 active area codes: 202, 771.
What is the main area code for District of Columbia?
The 202 area code is among the primary area codes for District of Columbia, serving Washington and surrounding communities.
What are the largest cities in District of Columbia?
The largest cities in District of Columbia include Washington.
What is the total population of District of Columbia?
District of Columbia has an estimated total population of 702,250 based on US Census PEP 2024 data.