About postal code 3700-900
The postal code 3700-900 routes mail to Relvas 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 ยท Postal code
3700-900 - Relvas
Postal code 3700-900 is Relvas in Aveiro, Portugal.
| Postal code | 3700-900 |
| Place | Relvas |
| Region | Aveiro |
| District | Santa Maria da Feira |
| Country | Portugal (PT) |
| Coordinates | 40.946, -8.4526 (map) |