Andrew County, Missouri ZIP Codes

10 ZIP Codes

Zip Code
City
Population ↓
64505Saint Joseph14,107
64485Savannah7,998
64494Union Star1,163
64436Cosby873
64421Amazonia817
64483Rosendale591
64427Bolckow582
64459Helena507
64449Fillmore491
64480Rea329

Overview of ZIP Codes in Andrew 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.
10
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 10 ZCTAs in Andrew County, Missouri (US Census).

Sources

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

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