Sullivan County, Missouri ZIP Codes

Zip Code
City
Population ↓
63556Milan3,196
63545Green City968
64630Browning495
64646Humphreys471
64667Newtown255
64645Harris195
63560Pollock61

Overview of ZIP Codes in Sullivan 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.
7
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 7 ZCTAs in Sullivan County, Missouri (US Census).

Sources

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

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