Lewis County, Missouri ZIP Codes

8 ZIP Codes

Zip Code
City
Population ↓
63435Canton4,318
63448La Grange1,760
63440Ewing1,136
63447La Belle1,060
63452Lewistown1,026
63457Monticello389
63473Williamstown375
63438Durham232

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

Sources

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

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