Area code 202 was brought into effect on January 1, 1947.
Counties in Area Code 202
- District of Columbia.
Most Populous Cities in Area Code 202
|City||County||City Population||Time Zone|
|Washington||District of Columbia||631,800||EST|
Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.
View all United States Area Codes.
Trending on WorldAtlas
The Most Dangerous Cities in the World
The Largest Countries in the World
The 10 Largest Cities in the World
The 10 Smallest Countries In The World
Countries With Border Walls
The Most Popular Sports in the World
The World's Most Visited Countries
29 Largest Armies In The World
The World’s Largest Oil Reserves By Country