Post Offices List in Dallas County, Missouri:
| Buffalo Post Office | 215 S Pine St, Buffalo, MO 65622 |
| Elkland Post Office | 3550 State Highway 38, Elkland, MO 65644 |
| Long Lane Post Office | 1668 State Highway 32, Long Lane, MO 65590 |
| Louisburg Post Office | 274 State Highway 64, Louisburg, MO 65685 |
| Tunas Post Office | 4 State Rd E, Tunas, MO 65764 |
| Urbana Post Office | 200 N Main St, Urbana, MO 65767 |