Post Offices List in Union County, Kentucky:
| Morganfield Post Office | 231 W Main St, Morganfield, KY 42437 |
| Sturgis Post Office | 409 N Main St, Sturgis, KY 42459 |
| Sullivan Post Office | 16470 State Route 109, Sullivan, KY 42460 |
| Uniontown Post Office | 223 Main St, Uniontown, KY 42461 |
| Waverly Post Office | 124 N Maple St, Waverly, KY 42462 |