Area code 206 was brought into effect on January 1, 1947.
Counties in Area Code 206
Most Populous Cities in Area Code 206
|City||County||City Population||Time Zone|
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 Richest Countries In The World
The 10 Smallest Countries In The World
29 Largest Armies In The World
29 Most Obese Countries In The World
The Richest Countries In Africa
10 Most Visited Countries In The World
30 Least Populated Countries In The World