Harrison County, Missouri ZIP Codes

8 ZIP Codes

Zip Code
City
Population ↓
64424Bethany3,929
64481Ridgeway1,154
64442Eagleville951
64642Gilman City804
64426Blythedale530
64471New Hampton309
64458Hatfield159
64467Martinsville145

Overview of ZIP Codes in Harrison 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.
8
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 8 ZCTAs in Harrison County, Missouri (US Census).

Sources

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

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