Post Offices List in Wheatland County, Montana:
| Harlowton Post Office | 12 1st St Se, Harlowton, MT 59036 |
| Judith Gap Post Office | 115 6th Ave N, Judith Gap, MT 59453 |
| Shawmut Post Office | 4 W First Ave, Shawmut, MT 59078 |
| Two Dot Post Office | 68 Two Dot Hwy, Two Dot, MT 59085 |