| 2600 | Baguio | Cordillera Administrative Region | 272,714 |
| 2601 | La Trinidad, Benguet | Cordillera Administrative Region | 41,258 |
| 2603 | Tuba, Benguet | Cordillera Administrative Region | — |
| 2604 | Itogon, Benguet | Cordillera Administrative Region | 28,407 |
| 2605 | Bokod, Benguet | Cordillera Administrative Region | — |
| 2606 | Kabayan | Cordillera Administrative Region | — |
| 2607 | Buguias, Benguet | Cordillera Administrative Region | 6,192 |
| 2608 | Mankayan, Benguet | Cordillera Administrative Region | 15,886 |
| 2609 | Topdac | Cordillera Administrative Region | 2,288 |
| 2610 | Bakun, Benguet | Cordillera Administrative Region | — |
| 2611 | Kibungan, Benguet | Cordillera Administrative Region | 7,912 |
| 2612 | Atok, Benguet | Cordillera Administrative Region | 2,092 |
| 2613 | Kapangan, Benguet | Cordillera Administrative Region | — |
| 2614 | Bayabas | Cordillera Administrative Region | 2,165 |
| 2615 | Tublay, Benguet | Cordillera Administrative Region | 3,706 |
| 2616 | Betwagan | Cordillera Administrative Region | 2,132 |
| 2617 | Sadanga, Mountain Province | Cordillera Administrative Region | — |
| 2618 | Besao, Mountain Province | Cordillera Administrative Region | 2,241 |
| 2619 | Sagada | Cordillera Administrative Region | 2,830 |
| 2620 | Tadian, Mountain Province | Cordillera Administrative Region | 2,803 |
| 2621 | Bauko, Mountain Province | Cordillera Administrative Region | — |
| 2622 | Sabangan, Mountain Province | Cordillera Administrative Region | — |
| 2623 | Barlig, Mountain Province | Cordillera Administrative Region | 6,168 |
| 2624 | Natonin, Mountain Province | Cordillera Administrative Region | — |
| 2625 | Paracelis | Cordillera Administrative Region | — |
| 2800 | Bangued | Cordillera Administrative Region | — |
| 2801 | Dolores, Abra | Cordillera Administrative Region | 2,378 |
| 2802 | Lagangilang, Abra | Cordillera Administrative Region | — |
| 2803 | Tayum, Abra | Cordillera Administrative Region | 2,530 |
| 2804 | Peñarrubia, Abra | Cordillera Administrative Region | — |
| 2805 | Bucay, Abra | Cordillera Administrative Region | — |
| 2806 | Pidigan, Abra | Cordillera Administrative Region | 2,734 |
| 2807 | Langiden, Abra | Cordillera Administrative Region | — |
| 2810 | Manabo, Abra | Cordillera Administrative Region | — |
| 2811 | Villaviciosa, Abra | Cordillera Administrative Region | — |
| 2812 | Pilar, Abra | Cordillera Administrative Region | — |
| 2815 | Boliney, Abra | Cordillera Administrative Region | — |
| 2816 | Daguioman, Abra | Cordillera Administrative Region | — |
| 2817 | Bucloc, Abra | Cordillera Administrative Region | — |
| 2820 | Malibcong, Abra | Cordillera Administrative Region | — |
| 2821 | Lacub, Abra | Cordillera Administrative Region | — |
| 2822 | Tineg, Abra | Cordillera Administrative Region | — |
| 2823 | San Juan, Abra | Cordillera Administrative Region | — |
| 2824 | Lagayan, Abra | Cordillera Administrative Region | — |
| 2825 | Danglas, Abra | Cordillera Administrative Region | — |
| 3600 | Lagawe, Ifugao | Cordillera Administrative Region | 6,819 |
| 3601 | Banaue | Cordillera Administrative Region | 2,497 |
| 3603 | Hungduan, Ifugao | Cordillera Administrative Region | — |
| 3604 | Kiangan, Ifugao | Cordillera Administrative Region | — |
| 3605 | Lamut, Ifugao | Cordillera Administrative Region | 4,089 |
| 3607 | Lagawe, Ifugao | Cordillera Administrative Region | 6,819 |
| 3610 | Tinoc, Ifugao | Cordillera Administrative Region | — |
| 3800 | Tabuk, Kalinga | Cordillera Administrative Region | 27,048 |
| 3801 | Balbalan, Kalinga | Cordillera Administrative Region | 2,195 |
| 3802 | Lubuagan, Kalinga | Cordillera Administrative Region | 2,893 |
| 3804 | Tinglayan, Kalinga | Cordillera Administrative Region | — |
| 3805 | Tanudan, Kalinga | Cordillera Administrative Region | — |
| 3806 | Pinukpuk, Kalinga | Cordillera Administrative Region | — |
| 3807 | Conner, Apayao | Cordillera Administrative Region | 2,401 |
| 3808 | Liwan | Cordillera Administrative Region | 5,286 |
| 3809 | Kabugao, Apayao | Cordillera Administrative Region | 2,337 |
| 3810 | Flora, Apayao | Cordillera Administrative Region | 4,213 |
| 3811 | Santa Marcela, Apayao | Cordillera Administrative Region | — |
| 3812 | Pudtol, Apayao | Cordillera Administrative Region | — |
| 3813 | Luna, Apayao | Cordillera Administrative Region | — |
| 3814 | Calanasan, Apayao | Cordillera Administrative Region | — |
