The Gorrontz-Olano city in Navarra province has 1 assigned the ZIP Code 31799.This same ZIP Code applies also to the following places.
| Province | City | ZIP Code |
|---|---|---|
| Navarra | Lizaso | 31799 |
| Navarra | Zenotz | 31799 |
| Navarra | Zandio | 31799 |
| Navarra | Urritzola-Galain | 31799 |
| Navarra | Ripa | 31799 |
| Navarra | Ostiz | 31799 |
| Navarra | Osavide | 31799 |
| Navarra | Osacain | 31799 |
| Navarra | Olave | 31799 |
| Navarra | Olaiz | 31799 |
| Navarra | Anocibar | 31799 |
| Navarra | Latasa (Odieta) | 31799 |
| Navarra | Guendulain (Odieta) | 31799 |
| Navarra | Gerendiain | 31799 |
| Navarra | Enderiz | 31799 |
| Navarra | Eltso | 31799 |
| Navarra | Ciaurriz | 31799 |
| Navarra | Beraiz | 31799 |
| Navarra | Anoz | 31799 |
Check out the list of Spain ZIP Code