Post Offices List in Dimmit County, Texas:
| Asherton Post Office | 572 W Carter St, Asherton, TX 78827 |
| Big Wells Post Office | 1411 Grand Ave, Big Wells, TX 78830 |
| Carrizo Springs Post Office | 401 N 5th St, Carrizo Springs, TX 78834 |
| Asherton Post Office | 572 W Carter St, Asherton, TX 78827 |
| Big Wells Post Office | 1411 Grand Ave, Big Wells, TX 78830 |
| Carrizo Springs Post Office | 401 N 5th St, Carrizo Springs, TX 78834 |