City
Frontier, MI ZIP codes
1 ZIP, including 49239 as primary city.
Map of Frontier
ZIP code map
ZIP share of this city
Population share
No overlap percents for this place — ZIP codes are listed from the city or county field.
ZIP codes in Frontier
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 49239 | Frontier | Hillsdale County | 103 | — |