| Municipalities |
|---|
| Tudelilla, Calahorra |
| Pradejón, Calahorra |
| El Villar de Arnedo, Calahorra |
| Calahorra, Calahorra |
| Autol, Calahorra |
| Postal Codes in Calahorra |
|---|
| Santo Domingo de la Calzada |
| Nájera |
| Logroño |
| Haro |
| Ezcaray |
| Cervera |
| Camero Viejo |
| Camero Nuevo |
| Calahorra |
| Arnedo |
| Anguiano |
| Alfaro |