Kalinga-Apayao ZIP Codes range from 3800 to 3806. This region is known for its rich indigenous culture and beautiful landscapes.
Kalinga-Apayao ZIP Codes
| Location | ZIP Code | |
| Balbalan | 3801 | |
| Calanasan | 3814 | |
| Conner | 3807 | |
| Flora | 3807 | |
| Kabugao | 3809 | |
| Liwan (Rizal) | 3808 | |
| Lubuagan | 3802 | |
| Luna | 3813 | |
| Pasil | 3803 | |
| Pinukpuk | 3806 | |
| Pudtol | 3812 | |
| Santa Marcela | 3811 | |
| Tabuk | 3800 | |
| Tanudan | 3805 | |
| Tinglayan | 3804 | |