| Postal Code | Postal Code Place Name | State | Municipality |
|---|---|---|---|
| 71940 | San Juan | Oaxaca | San Juan Lachao |
| 71943 | Santa Lucía Tierra Blanca | Oaxaca | San Juan Lachao |
| 71944 | San Martín | Oaxaca | San Juan Lachao |
| 71945 | El Portillo | Oaxaca | San Juan Lachao |
| 71946 | San Rafael | Oaxaca | San Juan Lachao |
| 71947 | Piedra del Rayo | Oaxaca | San Juan Lachao |