Zip Area Code

Prosser, Washington

Prosser, Washington, in Benton County, has ZIP code 99350 and area code 509.

ZIP code
99350
Area code
509
Time zone
Pacific Time
Coordinates
46.2232, -119.7710

ZIP codes in Prosser

ZIP codePost officeCountyArea codes
99350ProsserBenton County509

Area code for Prosser

  • Area code 509

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

Time zone

Prosser is in the Pacific Time zone.

Towns near Prosser