The Oco city in Navarra province has 1 assigned the ZIP Code 31281.This same ZIP Code applies also to the following places.
| Province | City | ZIP Code |
|---|---|---|
| Navarra | Ancin | 31281 |
| Navarra | Etayo | 31281 |
| Navarra | Learza | 31281 |
| Navarra | Legaria | 31281 |
| Navarra | Olejua | 31281 |
Check out the list of Spain ZIP Code