| Postal Code | Postal Code Place Name | State | Municipality |
|---|---|---|---|
| 79800 | Xochimilco | San Luis Potosí | Tancanhuitz |
| 79802 | Zojualo | San Luis Potosí | Tancanhuitz |
| 79803 | Los Carrizos | San Luis Potosí | Tancanhuitz |
| 79804 | Tempexquistitla | San Luis Potosí | Tancanhuitz |
| 79805 | Antonio Flores | San Luis Potosí | Tancanhuitz |
| 79806 | Santa Isabel | San Luis Potosí | Tancanhuitz |
| 79807 | La Ceiba San José Pequétz Tzén | San Luis Potosí | Tancanhuitz |