Post Offices List in San Patricio County, Texas:
| Aransas Pass Post Office | 634 S Commercial St, Aransas Pass, TX 78336 |
| Edroy Post Office | 17916 Highway 234, Edroy, TX 78352 |
| Gregory Post Office | 102 W 4th St, Gregory, TX 78359 |
| Ingleside Post Office | 2230 State Highway 361, Ingleside, TX 78362 |
| Mathis Post Office | 121 S Bee St, Mathis, TX 78368 |
| Odem Post Office | 223 Main St, Odem, TX 78370 |
| Portland Post Office | 120 Lang Rd, Portland, TX 78374 |
| Sinton Post Office | 104 S San Patricio St, Sinton, TX 78387 |
| Taft Post Office | 110 Victoria Ave, Taft, TX 78390 |