The Casillas city in Burgos province has 1 assigned the ZIP Code 09556.This same ZIP Code applies also to the following places.
| Province | City | ZIP Code |
|---|---|---|
| Burgos | Ciguenza | 09556 |
| Burgos | Otedo | 09556 |
| Burgos | Quintanilla Sociguenza | 09556 |
| Burgos | Salazar | 09556 |
| Burgos | Villacanes | 09556 |
Check out the list of Spain ZIP Code