Post Offices List in Otsego County, Michigan:
| Gaylord Post Office | 289 W Commerce Blvd, Gaylord, MI 49735 |
| Johannesburg Post Office | 10701 M 32 E, Johannesburg, MI 49751 |
| Vanderbilt Post Office | 534 E Main St, Vanderbilt, MI 49795 |
| Waters Post Office | 10568 Otsegoland Rd, Waters, MI 49797 |
| Gaylord Post Office | 289 W Commerce Blvd, Gaylord, MI 49735 |