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Area Code 509 in Washington

Area Code 509 covers the the eastern two-thirds of the State of Washington. Area Code 509 was introduced on 1 January 1957 when it was split off from Area Code 206. Area Code 509 has remained unchanged for more than half a century. Even with the proliferation of cell phones and pagers, Area Code 509 is nowhere near exhaustion. Under current projections, eastern Washington will not need another area code until 2031. Within Area Code 509 there are 124 towns and cities in 24 counties.

Area Code 509 currently has 664 active Exchange Codes, with the last being introduced on 16 November 2017, giving a total number pool of 4,410,000 numbers.

In this Area Code there are 1773 telephone numbers that have been the subject of complaints to the FCC and 18418 telephone numbers that our research shows belong to legitimate businesses.

Counties in Area Code 509

Adams
Asotin
Benton
Chelan
Clark
Columbia
Douglas
Ferry
Franklin
Garfield
Grant
King
Kitsap
Kittitas
Klickitat
Lincoln
Okanogan
Pend Oreille
Skamania
Spokane
Stevens
Walla Walla
Whitman
Yakima

Cities in Area Code 509

Almira
Anatone
Asotin
Basin City
Benge
Benton City
Beverly
Bickleton
Brewster
Bridgeport
Cashmere
Centerville
Chattaroy
Cheney
Chewelah
Clarkston
Cle Elum
Colfax
Colville
Connell
Coulee City
Coulee Dam
Cowiche
Creston
Curlew
Davenport
Dayton
Deer Park
East Wenatchee
Edwall
Elk
Ellensburg
Eltopia
Endicott
Ephrata
Fairfield
Farmington
Garfield
Gifford
Glenwood
Goldendale
Grandview
Granger
Green Bluff
Greenacres
Harrah
Harrington
Hay
Ione
Kennewick
Kettle Falls
Klickitat
Liberty Lake
Lind
Loomis
Loon Lake
Lyle
Mabton
Marlin
Mattawa
Medical Lake
Mesa
Metaline Falls
Molson
Moses Lake
Naches
Newman Lake
Newport
Northport
Oakesdale
Odessa
Omak
Orondo
Oroville
Othello
Palouse
Pasco
Pateros
Pomeroy
Prescott
Prosser
Pullman
Quincy
Reardan
Republic
Richland
Ritzville
Rockford
Roosevelt
Rosalia
Saint John
Selah
Soap Lake
Spangle
Spokane
Sprague
Springdale
Stevenson
Sunnyside
Tekoa
Thornton
Thorp
Tieton
Tonasket
Toppenish
Touchet
Trout Lake
Twisp
Underwood
Uniontown
Usk
Valley
Waitsburg
Walla Walla
Wapato
Warden
Washtucna
Wenatchee
White Salmon
White Swan
Wilbur
Winthrop
Yakima
Zillah

All Exchanges in Area Code 509