Hillsdale County Michigan is covered by a total of 22 ZIP Codes. There are 11 ZIP Codes in Hillsdale County that extend into adjacent counties (Branch County, Jackson County, and Lenawee County). Of the ZIP codes within or partially within Hillsdale County there are 18 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 Hillsdale 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 | |||
|---|---|---|---|---|---|
| Quincy | Standard | |||
| Addison | Standard | |||
| Allen | Standard | |||
| Camden | Standard | |||
| Cement City | Standard | |||
| Frontier | PO Box | |||
| Hillsdale | Standard | |||
| Horton | Standard | |||
| Hudson | Standard | |||
| Jerome | Standard | |||
| Jonesville | Standard | |||
| Litchfield | Standard | |||
| Montgomery | Standard | |||
| Moscow | PO Box | |||
| Mosherville | PO Box | |||
| North Adams | Standard | |||
| Osseo | Standard | |||
| Pittsford | Standard | |||
| Reading | Standard | |||
| Somerset | PO Box | |||
| Somerset Center | Standard | |||
| Waldron | Standard |