Benton County, Washington ZIP Codes

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ZIP Codes in Benton County with Associated Cities & Towns

Benton County, WA - Standard ZIP Codes
98930 | 99320 | 99336 | 99337 | 99338 | 99350 | 99352 | 99353 | 99354
Benton County, WA - PO Box ZIP Codes (NO DEMOGRAPHIC DATA)
99345 | 99346
Note: Every ZIP Code has a single ACTUAL City Name assigned by the US Postal Service (USPS).
See the specific ZIP Code for acceptable Alternate City Names and spelling variations.

ZIP Codes in Benton County Address Data

  • Businesses Addresses: 5,991
  • PO Box Addresses: 4,360
  • Residential Addresses: 78,844
    • Multi-Family Addresses: 9,431
    • Single Family Addresses: 69,413

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Map of Benton County, WA ZIP Codes With Actual (Default) City Names

Benton City
Kennewick
Paterson
Plymouth
Prosser
Richland
West Richland


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