The Undiano city in Navarra province has 1 assigned the ZIP Code 31190.This same ZIP Code applies also to the following places.
| Province | City | ZIP Code |
|---|---|---|
| Navarra | Astrain | 31190 |
| Navarra | Cizur Menor | 31190 |
| Navarra | Gazolaz | 31190 |
| Navarra | Guendulain (Astrain) | 31190 |
| Navarra | Muru-Astrain | 31190 |
| Navarra | Paternain | 31190 |
| Navarra | Sagües | 31190 |
| Navarra | Zariquiegui | 31190 |
Check out the list of Spain ZIP Code