Post Offices List in Fairmont City, West Virginia:
| East Side Post Office | 215 Merchant St, Fairmont, WV 26554 |
| Fairmont Post Office | 331 Madison St, Fairmont, WV 26554 |
| East Side Post Office | 215 Merchant St, Fairmont, WV 26554 |
| Fairmont Post Office | 331 Madison St, Fairmont, WV 26554 |