About ZIP code 3520
The ZIP code 3520 routes mail to Calayan 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
3520 - Calayan
ZIP code 3520 is Calayan in Cagayan Valley, Philippines.
| ZIP code | 3520 |
| Place | Calayan |
| Region | Cagayan Valley |
| District | Province of Cagayan |
| Country | Philippines (PH) |
| Coordinates | 18.0732, 121.4185 (map) |