509 Area Code: Location, Time Zone & Phone Lookup - Page 2

509 area code is located in the state of Washington. It is one of the original area codes established in 1947 numbering plan. The area code is primarily serving the Spokane and Coeur d'Alene metropolitan area. The area code was overlayed by area code 208 on November 5, 2007.The history of 509 area code is quite interesting. It was one of the original area codes established in 1947 numbering plan. At that time, it was serving the entire state of Washington. However, over the years, the area code has been split several times. Today, it is primarily serving the Spokane and Coeur d'Alene metropolitan area.

The area code was overlayed by area code 208 on November 5, 2007. This was done in order to meet the increasing demand for phone numbers. Over the years, the area code has seen a lot of growth. The overlay has helped to ensure that everyone has access to a phone number.

Area code 509 serves the eastern side of Washington state. The area code includes the Spokane metropolitan area, as well as the Tri-Cities area. Spokane is the largest city in the area code, while Kennewick is the largest city in the Tri-Cities area.