Porter County Indiana is covered by a total of 14 ZIP Codes. There are 5 ZIP Codes in Porter County that extend into adjacent counties (Jasper County, LaPorte County, and Lake County). Of the ZIP codes within or partially within Porter County there are 10 Standard ZIP Codes and 4 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 Porter 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 | |||
|---|---|---|---|---|---|
| Beverly Shores | PO Box | |||
| Boone Grove | PO Box | |||
| Chesterton | Standard | |||
| Crown Point | Standard | |||
| Hebron | Standard | |||
| Hobart | Standard | |||
| Kouts | Standard | |||
| Michigan City | Standard | |||
| Portage | Standard | |||
| Valparaiso | Standard | |||
| Valparaiso | PO Box | |||
| Valparaiso | Standard | |||
| Westville | Standard | |||
| Wheeler | PO Box |