Franklin County Iowa is covered by a total of 18 ZIP Codes. There are 11 ZIP Codes in Franklin County that extend into adjacent counties (Butler County, Cerro Gordo County, Floyd County, Grundy County, Hamilton County, Hancock County, Hardin County, and Wright County). Of the ZIP codes within or partially within Franklin County there are 15 Standard ZIP Codes and 2 PO Box 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 Franklin 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 | |||
|---|---|---|---|---|---|
| Alden | Standard | |||
| Bradford | PO Box | |||
| Dows | Standard | |||
| Iowa Falls | Standard | |||
| Popejoy | Standard | |||
| Alexander | Standard | |||
| Chapin | Standard | |||
| Coulter | PO Box | |||
| Dougherty | Standard | |||
| Hampton | Standard | |||
| Latimer | Standard | |||
| Meservey | Standard | |||
| Sheffield | Standard | |||
| Thornton | Standard | |||
| Ackley | Standard | |||
| Aredale | Standard | |||
| Dumont | Standard | |||
| Geneva | Standard |