Post Offices List in Rockford City, Michigan:
| Rockford Carrier Annex Post Office | 241 Rockford Park Dr Ne, Rockford, MI 49341 |
| Rockford Post Office | 57 Courtland St, Rockford, MI 49341 |
| Rockford Carrier Annex Post Office | 241 Rockford Park Dr Ne, Rockford, MI 49341 |
| Rockford Post Office | 57 Courtland St, Rockford, MI 49341 |