| Postal Code | Postal Code Place Name | State | Municipality |
|---|---|---|---|
| 68690 | Parian | Oaxaca | Santiago Nacaltepec |
| 68691 | San Francisco Cotahuixtla | Oaxaca | Santiago Nacaltepec |
| 68692 | Santiago Nacaltepec | Oaxaca | Santiago Nacaltepec |
| 68694 | El Moral | Oaxaca | Santiago Nacaltepec |
| 68695 | San Juan Tonaltepec | Oaxaca | Santiago Nacaltepec |
| 68696 | La Union | Oaxaca | Santiago Nacaltepec |