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Washington County, Missouri ZIP Codes

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ZIP Codes in Washington County with Associated Cities & Towns

Washington County, MO - Standard ZIP Codes
63020 | 63023 | 63030 | 63060 | 63071 | 63080 | 63622 | 63624 | 63626 | 63628 | 63630 | 63631 | 63648 | 63660 | 63664 | 65441 | 65565
Washington County, MO - PO Box ZIP Codes (NO DEMOGRAPHIC DATA)
63674
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 Washington County Address Data

  • Businesses Addresses: 2,255
  • PO Box Addresses: 2,877
  • Residential Addresses: 37,608
    • Multi-Family Addresses: 88
    • Single Family Addresses: 37,485

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Map of Washington County, MO ZIP Codes With Actual (Default) City Names

Belgrade
Cadet
Caledonia
Irondale
Mineral Point
Potosi
Richwoods
Tiff


Use HTL Address Research for a Missouri Address and get...

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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