Zip Area Code

West Richland, Washington

West Richland, Washington, in Benton County, has ZIP code 99353 and area code 509.

ZIP code
99353
Area code
509
Time zone
Pacific Time
Coordinates
46.3153, -119.3714

ZIP codes in West Richland

ZIP codePost officeCountyArea codes
99353West RichlandBenton County509

Area code for West Richland

  • Area code 509

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

Time zone

West Richland is in the Pacific Time zone.

Towns near West Richland