About postal code 3740-316
The postal code 3740-316 routes mail to Castelões in the Aveiro 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
3740-316 - Castelões
Postal code 3740-316 is Castelões in Aveiro, Portugal.
| Postal code | 3740-316 |
| Place | Castelões |
| Region | Aveiro |
| District | Sever do Vouga |
| Country | Portugal (PT) |
| Coordinates | 40.7592, -8.3875 (map) |