Keokuk County Iowa is covered by a total of 19 ZIP Codes. There are 10 ZIP Codes in Keokuk County that extend into adjacent counties (Iowa County, Jefferson County, Johnson County, Mahaska County, Wapello County, and Washington County). Of the ZIP codes within or partially within Keokuk County there are 17 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 Keokuk 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 | |||
|---|---|---|---|---|---|
| Gibson | Standard | |||
| Keswick | Standard | |||
| Thornburg | PO Box | |||
| What Cheer | Standard | |||
| Harper | Standard | |||
| Keota | Standard | |||
| North English | Standard | |||
| South English | Standard | |||
| Webster | Standard | |||
| Wellman | Standard | |||
| Delta | Standard | |||
| Fremont | Standard | |||
| Hayesville | Standard | |||
| Hedrick | Standard | |||
| Martinsburg | PO Box | |||
| Ollie | Standard | |||
| Packwood | Standard | |||
| Richland | Standard | |||
| Sigourney | Standard |