Warren County, Missouri ZIP Codes

6 ZIP Codes

Zip Code
City
Population ↓
63383Warrenton16,927
63390Wright City10,970
63357Marthasville6,536
63351Jonesburg1,389
63380Truesdale990
63381Truxton618

Overview of ZIP Codes in Warren County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
6
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 6 ZCTAs in Warren County, Missouri (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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