ZIP Code 49239 is located in Frontier Michigan. 49239 is entirely within Hillsdale County. Regionally, it is located in the Lansing Area.
| ZIP Code Name | Frontier |
| Primary County | Hillsdale County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 41.92015076,-84.63078308 |
| Adjacent ZIP Codes | |
| Region | Lansing Area |
| Metropolitan/Micropolitan Stat Area | Hillsdale, MI |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/Detroit |