| Ort | Postleitzahl |
|---|---|
| Milagro, Navarra) | 31320 |
| Postleitzahlen in Ribera Alta | |
|---|---|
| Andosilla | |
| Cadreita | |
| Caparroso | |
| Cárcar | |
| Carcastillo | |
| Falces | |
| Funes | |
| Lerín | |
| Lodosa | |
| Marcilla | |
| Mélida | |
| Mendavia | |
| Milagro | |
| Miranda de Arga | |
| Murillo el Cuende | |
| Murillo el Fruto | |
| Peralta/Azkoien | |
| San Adrián | |
| Santacara | |
| Sartaguda | |
| Sesma | |
| Villafranca | |