Post Offices List in Iron County, Michigan:
| Alpha Post Office | 405 Main St, Alpha, MI 49902 |
| Amasa Post Office | 209 Maple Ave, Amasa, MI 49903 |
| Caspian Post Office | 300 E Caspian Ave, Caspian, MI 49915 |
| Crystal Falls Post Office | 501 Superior Ave, Crystal Falls, MI 49920 |
| Gaastra Post Office | 12 2nd St, Gaastra, MI 49927 |
| Iron River Post Office | 425 W Genesee St, Iron River, MI 49935 |
| Stambaugh Post Office | 201 Washington Ave, Stambaugh, MI 49964 |