Linn County, Missouri ZIP Codes

8 ZIP Codes

Zip Code
City
Population ↓
64628Brookfield5,661
64631Bucklin836
64659Meadville793
64651Laclede461
64653Linneus431
64674Purdin409
63557New Boston272
63566Winigan72

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

Sources

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

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