Frontera zip code
| Zip code | Settlement | Type | City | Zone |
|---|---|---|---|---|
| 25669 | Paraíso | Colonia | Frontera | Urbano |
| 25630 | PEMEX | Colonia | Frontera | Urbano |
| 25804 | Pozuelos de Abajo | Ejido | - | Rural |
| 25820 | Pozuelos de Arriba | Ejido | - | Rural |
| 25627 | Praderas del Norte | Colonia | Frontera | Urbano |
