About ZIP code 3318
The ZIP code 3318 routes mail to San Mateo 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
3318 - San Mateo
ZIP code 3318 is San Mateo in Cagayan Valley, Philippines.
| ZIP code | 3318 |
| Place | San Mateo |
| Region | Cagayan Valley |
| District | Province of Isabela |
| Country | Philippines (PH) |
| Coordinates | 16.8821, 121.5869 (map) |