Post Offices List in Guadalupe County, Texas:
| Cibolo Post Office | 725 Fm 1103, Cibolo, TX 78108 |
| Kingsbury Post Office | 10055 E Highway 90, Kingsbury, TX 78638 |
| Marion Post Office | 413 E San Antonio St, Marion, TX 78124 |
| MC Queeney Post Office | 4000 Fm 78, Mc Queeney, TX 78123 |
| Schertz Post Office | 1081 Elbel Rd, Schertz, TX 78154 |
| Seguin Post Office | 531 W Court St, Seguin, TX 78155 |
| Staples Post Office | 2585 Allison Rd, Staples, TX 78670 |