| Localité | Code postal |
|---|---|
| El Quelite, Saucillo | 33637 |
| El Recuerdo, Saucillo | 33633 |
| El Refugio (Viveros), Saucillo | 33637 |
| El Regreso, Saucillo | 33637 |
| El Retiro, Saucillo | 33637 |
| El Rincón, Saucillo | 33645 |
| El Río, Saucillo | 33637 |
| El Sacrificio, Saucillo | 33633 |
| El Salvador (el Porvenir), Saucillo | 33637 |
| El Sesenta, Saucillo | 33637 |
| El Siete, Saucillo | 33645 |
| El Socorro, Saucillo | 33633, 33635 |
| El Soldado, Saucillo | 33643 |
| El Tajo, Saucillo | 33643 |
| El Tecolote, Saucillo | 33637 |
| El Tepopote, Saucillo | 33633 |
| El Tocayo, Saucillo | 33633 |
| El Uno, Saucillo | 33637 |
| El Venado, Saucillo | 33644 |
| El Vergel, Saucillo | 33633, 33645 |
| Eleazar Mata, Saucillo | 33637 |
| Espíritu Santo, Saucillo | 33637 |
| Estación Conchos, Saucillo | 33637 |
| Estación Saucillo, Saucillo | 33637 |
| Fátima, Saucillo | 33637 |
| Francisco I. Madero (el Gato Negro), Saucillo | 33637 |