About ZIP code 3905
The ZIP code 3905 routes mail to Itbayat in the Cagayan Valley region of Philippines. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
Philippines ยท ZIP code
3905 - Itbayat
ZIP code 3905 is Itbayat in Cagayan Valley, Philippines.
| ZIP code | 3905 |
| Place | Itbayat |
| Region | Cagayan Valley |
| District | Province of Batanes |
| Country | Philippines (PH) |
| Coordinates | 20.7873, 121.8418 (map) |