Post Offices List in Shelby County, Texas:
| Center Post Office | 101 Weaver St, Center, TX 75935 |
| Joaquin Post Office | 209 84th St, Joaquin, TX 75954 |
| Shelbyville Post Office | 5182 State Highway 87 S, Shelbyville, TX 75973 |
| Tenaha Post Office | 152 S George Bowers Dr, Tenaha, TX 75974 |
| Timpson Post Office | 437 Bear Dr, Timpson, TX 75975 |