| Locality | Post Code |
|---|---|
| Barrancas, Sain Alto | 99130 |
| Cañas, Sain Alto | 99141 |
| Cantuna, Sain Alto | 99140 |
| El Cazadero, Sain Alto | 99132 |
| El Fresno, Sain Alto | 99143 |
| Emiliano Zapata, Sain Alto | 99141 |
| Francisco I. Madero, Sain Alto | 99141 |
| Jose Maria Morelos, Sain Alto | 99130 |
| Laguna Blanca, Sain Alto | 99138 |
| Luis Moya, Sain Alto | 99141 |
| Nicolás Bravo, Sain Alto | 99140 |
| Rio de Medina, Sain Alto | 99130 |
| Sain Alto, Sain Alto | 99130 |
| Sain Bajo, Sain Alto | 99130 |
| San Antonio, Sain Alto | 99130 |
| Santa Eduviges, Sain Alto | 99138 |