Post Offices List in Limestone County, Texas:
| Coolidge Post Office | 310 Bell St, Coolidge, TX 76635 |
| Groesbeck Post Office | 112 S Dr J B Riggs Dr, Groesbeck, TX 76642 |
| Kosse Post Office | 107 W Adams St, Kosse, TX 76653 |
| Mexia Post Office | 100 N Mckinney St, Mexia, TX 76667 |
| Prairie Hill Post Office | 4874 Fm 73 W, Prairie Hill, TX 76678 |
| Tehuacana Post Office | 208 S Railroad St, Tehuacana, TX 76686 |
| Thornton Post Office | 1008 Marshall St, Thornton, TX 76687 |