1. World Map/
  2. North America/
  3. US/
  4. Area Codes/
  5. Area Code 509

Where Is Area Code 509?

Area code 509 is found in the US state of Washington. Primarily servicing the city of Spokane (population: 346133), area code 509 covers 21 counties of Washington.

Located in the Pacific time zone, area code 509 is on the same time as Los Angeles, CA.

Area code 509 was brought into effect on January 1, 1957.

Map of  with area code 509 highlighted

Counties in Area Code 509

  • Adams,
  • Asotin,
  • Benton,
  • Chelan,
  • Columbia,
  • Douglas,
  • Ferry,
  • Franklin,
  • Garfield,
  • Grant,
  • Kittitas,
  • Klickitat,
  • Lincoln,
  • Okanogan,
  • Pend Oreille,
  • Skamania,
  • Spokane,
  • Stevens,
  • Walla Walla,
  • Whitman,
  • Yakima.

Most Populous Cities in Area Code 509

City County City Population Time Zone
Spokane Spokane 346,133 PST
Yakima Yakima 128,190 PST
Kennewick Benton 93,868 PST
Pasco Franklin 74,892 PST
Richland Benton 50,308 PST
Wenatchee Chelan 41,674 PST
Walla Walla Walla Walla 41,491 PST
Moses Lake Grant 40,882 PST
Pullman Whitman 32,687 PST
Ellensburg Kittitas 30,798 PST
East Wenatchee Douglas 29,405 PST
Sunnyside Yakima 22,354 PST
Clarkston Asotin 19,785 PST
Cheney Spokane 18,552 PST
Selah Yakima 17,234 PST
Othello Adams 17,148 PST
Grandview Yakima 15,509 PST
Wapato Yakima 13,950 PST
West Richland Benton 13,854 PST
Prosser Benton 13,507 PST
Toppenish Yakima 13,428 PST
Veradale Spokane 13,097 PST
Greenacres Spokane 12,599 PST
Deer Park Spokane 12,042 PST
Colville Stevens 12,019 PST

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

This page was last updated on July 3, 2015.