| Postal Code | Postal Code Place Name | State | Municipality |
|---|---|---|---|
| 29720 | Siglo XX | Chiapas | Ixhuatán |
| 29721 | Zaragoza | Chiapas | Ixhuatán |
| 29722 | Emiliano Zapata | Chiapas | Ixhuatán |
| 29723 | Santa Anita | Chiapas | Ixhuatán |
| 29724 | El Majagual | Chiapas | Ixhuatán |
| 29725 | El Zapote | Chiapas | Ixhuatán |
| 29726 | La Libertad | Chiapas | Ixhuatán |
| 29729 | San Miguel | Chiapas | Ixhuatán |