Bontoc (Capital) comprises 16 barangays with an estimated population of 21,272. 9 of its barangays (56%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alab Oriente | 243 | 1 | Crowdsourced signal only (no registered tower) |
| Alab Proper | 796 | 4 | Crowdsourced signal only (no registered tower) |
| Balili | 351 | 0 | Dead zone: no towers from any source |
| Bayyo | 219 | 5 | Crowdsourced signal only (no registered tower) |
| Bontoc Ili | 2,431 | 2 | Crowdsourced signal only (no registered tower) |
| Caluttit | 1,464 | 0 | Dead zone: no towers from any source |
| Caneo | 1,045 | 0 | Dead zone: no towers from any source |
| Dalican | 1,018 | 0 | Dead zone: no towers from any source |
| Gonogon | 252 | 0 | Dead zone: no towers from any source |
| Guinaang | 926 | 0 | Dead zone: no towers from any source |
| Mainit | 1,697 | 0 | Dead zone: no towers from any source |
| Maligcong | 895 | 0 | Dead zone: no towers from any source |
| Poblacion (Bontoc) | 1,468 | 10 | Crowdsourced signal only (no registered tower) |
| Samoki | 3,991 | 12 | Crowdsourced signal only (no registered tower) |
| Talubin | 1,389 | 5 | Crowdsourced signal only (no registered tower) |
| Tocucan | 3,087 | 0 | Dead zone: no towers from any source |