Worth County Iowa is covered by a total of 10 ZIP Codes. There are 7 ZIP Codes in Worth County that extend into adjacent counties (Cerro Gordo County, Mitchell County, and Winnebago County). Of the ZIP codes within or partially within Worth County there are 9 Standard ZIP Codes.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Worth County and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Fertile | Standard | |||
| Grafton | Standard | |||
| Hanlontown | Standard | |||
| Joice | Standard | |||
| Kensett | Standard | |||
| Lake Mills | Standard | |||
| Manly | Standard | |||
| Northwood | Standard | |||
| Plymouth | Standard | |||
| Saint Ansgar | Standard |