| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 49082 | Quincy | Branch County | Standard |
| 49220 | Addison | Lenawee County | Standard |
| 49227 | Allen | Hillsdale County | Standard |
| 49232 | Camden | Hillsdale County | Standard |
| 49233 | Cement City | Hillsdale County | Standard |
| 49239 | Frontier | Hillsdale County | PO Box |
| 49242 | Hillsdale | Hillsdale County | Standard |
| 49246 | Horton | Jackson County | Standard |
| 49247 | Hudson | Lenawee County | Standard |
| 49249 | Jerome | Hillsdale County | Standard |
| 49250 | Jonesville | Hillsdale County | Standard |
| 49252 | Litchfield | Hillsdale County | Standard |
| 49255 | Montgomery | Branch County | Standard |
| 49257 | Moscow | Hillsdale County | PO Box |
| 49258 | Mosherville | Hillsdale County | PO Box |
| 49262 | North Adams | Hillsdale County | Standard |
| 49266 | Osseo | Hillsdale County | Standard |
| 49271 | Pittsford | Hillsdale County | Standard |
| 49274 | Reading | Hillsdale County | Standard |
| 49281 | Somerset | Hillsdale County | PO Box |
| 49282 | Somerset Center | Hillsdale County | Standard |
| 49288 | Waldron | Hillsdale County | Standard |