Post Offices List in Johnson County, Tennessee:
| Butler Post Office | 211 Piercetown Rd, Butler, TN 37640 |
| Mountain City Post Office | 216 College St, Mountain City, TN 37683 |
| Shady Valley Post Office | 136 Highway 133, Shady Valley, TN 37688 |
| Trade Post Office | 164 Highway 67 N, Trade, TN 37691 |