Post Offices List in Lincoln County, Montana:
| Eureka Post Office | 113 14th St, Eureka, MT 59917 |
| Fortine Post Office | 170 Meadow Creek Rd, Fortine, MT 59918 |
| Libby Post Office | 518 Main Ave, Libby, MT 59923 |
| Rexford Post Office | 202 Gateway St, Rexford, MT 59930 |
| Stryker Post Office | 120 Sunday Creek Rd, Stryker, MT 59933 |
| Trego Post Office | 252 Fortine Creek Rd, Trego, MT 59934 |
| Troy Post Office | 123 E Kootenai Ave, Troy, MT 59935 |