Zip Area Code

Kennewick, Washington

Kennewick, Washington, in Benton County, has ZIP codes 99336, 99337 and 99338 and area code 509.

ZIP codes
99336, 99337, 99338
Area code
509
Time zone
Pacific Time
Coordinates
46.1828, -119.1901

ZIP codes in Kennewick

ZIP codePost officeCountyArea codes
99336KennewickBenton County509
99337KennewickBenton County509
99338KennewickBenton County509

Area code for Kennewick

  • Area code 509

    In service since 1957. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Time zone

Kennewick is in the Pacific Time zone.

Towns near Kennewick