| Delmita Post Office |
124 Delmita Rd, Delmita, TX 78536 |
| Falcon Heights Post Office |
582 Fm 2098, Falcon Heights, TX 78545 |
| Garciasville Post Office |
6648 Fm 1430, Garciasville, TX 78547 |
| Grulla Post Office |
247 Fm 2360, Grulla, TX 78548 |
| Rio Grande City Post Office |
500 W Eisenhower St, Rio Grande City, TX 78582 |
| Roma Post Office |
1724 E Grant St, Roma, TX 78584 |
| Salineno Post Office |
488 Post Office St, Salineno, TX 78585 |
| San Isidro Post Office |
5264 Fm 1017, San Isidro, TX 78588 |
| Santa Elena Post Office |
4753 Fm 1017, Santa Elena, TX 78591 |
