49239 Zip code is used for Frontier City in Hillsdale County, Michigan in Usa. The ZIP Codes / Postal Codes are Used by USPS (United States Postal Service known as “Post Office”, “ Usa Mail”, or” Postal Service”, an independent agency of the United States federal government responsible for providing postal service in the United States). Below is the detail for 49239, Frontier City.
| Zip Code | : | 49239 |
| City Name | : | Frontier |
| County Name | : | Hillsdale County |
| State Name | : | Michigan |
| Country Name | : | USA |
| Area Code | : | 517 |
| Time Zone | : | EST |
| Country Code | : | +1 |
| Currency | : | $ USA Dollor |
| ISO Code | : | USA |