| Locality | Post Code |
|---|---|
| Corrales, Juan Aldama | 98310 |
| Espiritu Santo, Juan Aldama | 98320 |
| General Juan Jose Ríos, Juan Aldama | 98310 |
| Jalpa, Juan Aldama | 98311 |
| Juan Aldama, Juan Aldama | 98300, 98303, 98304, 98305, 98306, … |
| Ojitos, Juan Aldama | 98310 |
| Paradillas, Juan Aldama | 98313 |