Parker - 509 dialing code
Dialing code +1 (509) cities
- Fairfield
- Northport
- Riverside
- Deer Park
- Bridgeport
- Hatton
- Lakeview
- Rockford
- Stevenson
- Clayton
- Dayton
- Uniontown
- Valley
- Waverly
- Mesa
- Parker
- Prescott
- Roosevelt
- Danville
- Farmington
- Garfield
- Mansfield
- Springdale
- Newport
- Winthrop
- Ione
- Pine Grove
- Carson
- Burbank
- Colfax
- Oroville
- Quincy
- Centerville
- Easton
- Sunnyside
- Lamont
- Albion
- Barstow
- Creston
- Davenport
- Twin Lakes
- Colton
- Loomis
- Sunnyslope
- Mead
- Harrington
- Odessa
- La Crosse
- Brewster
- Richland
- Clarkston
- Garrett
- Grandview
- Rock Island
- Orient
- Malden
- Tampico
- St. John
- Granger
- Leavenworth
- Waterville
- Curlew
- George
- Manson
- Marcus
- Pomeroy
- Cheney
- Rosalia
- Spokane
- Fairwood
- Republic
- Starbuck
- Lyle
- Town and Country
- Benton City
- Outlook
- Endicott
- Prosser
- Sprague
- Buena
- Roslyn
- Finley
- Harrah
- Donald
- Ephrata
- Millwood
- Keller
- Addy
- Ahtanum
- Airway Heights
- Almira
- Asotin
- Banks Lake South
- Barney's Junction
- Basin City
- Bickleton
- Bingen
- Boyds
- Cascade Valley
- Cashmere
- Chelan
- Chelan Falls
- Chewelah
- Clarkston Heights-Vineland
- Cle Elum
- Cliffdell
- College Place
- Colville
- Conconully
- Connell
- Coulee City
- Coulee Dam
- Country Homes
- Cowiche
- Curlew Lake
- Cusick
- Dallesport
- Desert Aire
- Disautel
- Dixie
- East Wenatchee
- Electric City
- Ellensburg
- Elmer City
- Entiat
- Eschbach
- Fairchild AFB
- Four Lakes
- Gleed
- Goldendale
- Grand Coulee
- Green Bluff
- Hartline
- Inchelium
- Kahlotus
- Kennewick
- Kettle Falls
- Kittitas
- Klickitat
- Krupp
- Latah
- Laurier
- Liberty Lake
- Lind
- Loon Lake
- Mabton
- Malo
- Malott
- Maryhill
- Mattawa
- Medical Lake
- Metaline
- Metaline Falls
- Methow
- Moses Lake
- Moses Lake North
- Moxee
- Naches
- Nespelem
- Nespelem Community
- Nile
- North Bonneville
- North Omak
- Oakesdale
- Okanogan
- Omak
- Othello
- Otis Orchards-East Farms
- Palouse
- Pasco
- Pateros
- Pullman
- Reardan
- Ritzville
- Ronald
- Royal City
- Selah
- Snoqualmie Pass
- Soap Lake
- South Cle Elum
- South Wenatchee
- Spangle
- Spokane Valley
- Steptoe
- Summitview
- Tekoa
- Terrace Heights
- Thorp
- Tieton
- Tonasket
- Toppenish
- Torboy
- Touchet
- Trout Lake
- Twisp
- Union Gap
- Vantage
- Waitsburg
- Walla Walla
- Walla Walla East
- Wallula
- Wapato
- Warden
- Washtucna
- Wenatchee
- West Clarkston-Highland
- West Pasco
- West Richland
- White Salmon
- White Swan
- Wilbur
- Wilson Creek
- Wishram
- Yakima
- Zillah