The postal code of Santiago City is 3311. We also provided the ISO, mobile, and area codes.
| City Name | Santiago City |
| Postal Code | 3311 |
| Area Code | 78 |
| ISO Code | PH-SAN |
| Province Name | Isabela |
| Region Name | Cagayan Valley |
The postal code of Santiago City is 3311. We also provided the ISO, mobile, and area codes.
| City Name | Santiago City |
| Postal Code | 3311 |
| Area Code | 78 |
| ISO Code | PH-SAN |
| Province Name | Isabela |
| Region Name | Cagayan Valley |