| Postal Code | Postal Code Place Name | State | Municipality |
|---|---|---|---|
| 70780 | Huazatlan Del Rio Cerro Del Marquez | Oaxaca | San Mateo del Mar |
| 70783 | San Mateo del Mar | Oaxaca | San Mateo del Mar |
| 70784 | Colonia Juárez | Oaxaca | San Mateo del Mar |
| 70785 | San Mateo del Mar | Oaxaca | San Mateo del Mar |