About postal code 4690-420
The postal code 4690-420 routes mail to Oliveira do Douro in the Viseu region of Portugal. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
Portugal · Postal code
4690-420 - Oliveira do Douro
Postal code 4690-420 is Oliveira do Douro in Viseu, Portugal.
| Postal code | 4690-420 |
| Place | Oliveira do Douro |
| Region | Viseu |
| District | Cinfães |
| Country | Portugal (PT) |
| Coordinates | 41.0883, -8.0335 (map) |