Adair County, Missouri ZIP Codes

6 ZIP Codes

Zip Code
City
Population ↓
63501Kirksville21,218
63546Greentop1,340
63559Novinger1,258
63544Green Castle1,159
63533Brashear1,141
63540Gibbs418

Overview of ZIP Codes in Adair 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 Adair County, Missouri (US Census).

Sources

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

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