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Franklin County, Washington ZIP Codes

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ZIP Codes in Franklin County with Associated Cities & Towns

Franklin County, WA - Standard ZIP Codes
99301 | 99326 | 99330 | 99343 | 99344
Franklin County, WA - PO Box ZIP Codes (NO DEMOGRAPHIC DATA)
99302 | 99335
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 Franklin County Address Data

  • Businesses Addresses: 2,891
  • PO Box Addresses: 3,951
  • Residential Addresses: 35,525
    • Multi-Family Addresses: 1,225
    • Single Family Addresses: 33,183

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

Connell
Eltopia
Kahlotus
Mesa
Pasco


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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2024, data includes home values, household income, percentage of homes owned, rented or vacant, etc.



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