Postal Code 3520
Calayan · Province of Cagayan, Cagayan Valley
3520 is the postal code of Calayan in Province of Cagayan, Cagayan Valley, Philippines.
- Postal Code
- 3520
- Province
- Province of Cagayan
- Region
- Cagayan Valley
- Country
- Philippines
Place with postal code 3520
| Place | Province | Location |
|---|---|---|
| Calayan | Province of Cagayan | 18.073, 121.418 |
Nearby postal codes
Frequently asked questions
Which places use postal code 3520?
Calayan.
Which province and region is 3520 in?
Province of Cagayan, Cagayan Valley, Philippines.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.