Black Hawk County Iowa is covered by a total of 19 ZIP Codes. There are 9 ZIP Codes in Black Hawk County that extend into adjacent counties (Benton County, Bremer County, Buchanan County, Butler County, Fayette County, Grundy County, and Tama County). Of the ZIP codes within or partially within Black Hawk County there are 14 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 Black Hawk 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 | |||
|---|---|---|---|---|---|
| Buckingham | Standard | |||
| Cedar Falls | Standard | |||
| Cedar Falls | Unique | |||
| Dewar | PO Box | |||
| Dunkerton | Standard | |||
| Fairbank | Standard | |||
| Gilbertville | PO Box | |||
| Hudson | Standard | |||
| Janesville | Standard | |||
| Jesup | Standard | |||
| La Porte City | Standard | |||
| Raymond | Standard | |||
| Reinbeck | Standard | |||
| Traer | Standard | |||
| Waterloo | Standard | |||
| Waterloo | Standard | |||
| Waterloo | Standard | |||
| Waterloo | PO Box | |||
| Evansdale | Standard |