Jones County, Iowa ZIP Codes

11 ZIP Codes

Zip Code
City
Population ↓
52205Anamosa8,627
52310Monticello6,450
52033Cascade3,292
52320Olin1,425
52323Oxford Junction942
52305Martelle913
52362Wyoming816
52212Center Junction601
52321Onslow395
52312Morley46
52252Langworthy13

Overview of ZIP Codes in Jones 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.
11
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 11 ZCTAs in Jones County, Iowa (US Census).

Sources

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

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