Worth County, Iowa ZIP Codes

Zip Code
City
Population ↓
50459Northwood3,045
50456Manly1,699
50448Kensett620
50446Joice476
50434Fertile396
50444Hanlontown394
50440Grafton361

Overview of ZIP Codes in Worth 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 Worth County, Iowa (US Census).

Sources

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

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