Iowa County Iowa is covered by a total of 19 ZIP Codes. There are 11 ZIP Codes in Iowa County that extend into adjacent counties (Benton County, Johnson County, Keokuk County, Poweshiek County, Tama County, and Washington County). Of the ZIP codes within or partially within Iowa County there are 15 Standard ZIP Codes, 1 Unique ZIP Codes and 3 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 Iowa 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 | |||
|---|---|---|---|---|---|
| Amana | Standard | |||
| Amana | Unique | |||
| Belle Plaine | Standard | |||
| Conroy | PO Box | |||
| Guernsey | Standard | |||
| Deep River | Standard | |||
| Hartwick | Standard | |||
| Homestead | Standard | |||
| Ladora | Standard | |||
| Marengo | Standard | |||
| Middle Amana | PO Box | |||
| Millersburg | PO Box | |||
| North English | Standard | |||
| Parnell | Standard | |||
| South Amana | Standard | |||
| Victor | Standard | |||
| Webster | Standard | |||
| Wellman | Standard | |||
| Williamsburg | Standard |