Salvador Alvarado zip code
| Zip code | Settlement | Type | City | Zone |
|---|---|---|---|---|
| 81400 | Zona Centro | Colonia | Guamúchil | Urbano |
| 81489 | Zona Industrial | Zona industrial | Guamúchil | Urbano |
| Zip code | Settlement | Type | City | Zone |
|---|---|---|---|---|
| 81400 | Zona Centro | Colonia | Guamúchil | Urbano |
| 81489 | Zona Industrial | Zona industrial | Guamúchil | Urbano |