Patnongon comprises 36 barangays with an estimated population of 37,750. 30 of its barangays (83%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alvañiz | 271 | 0 | Dead zone: no towers from any source |
| Amparo | 688 | 0 | Dead zone: no towers from any source |
| Apgahan | 1,810 | 0 | Dead zone: no towers from any source |
| Aureliana | 2,278 | 2 | Crowdsourced signal only (no registered tower) |
| Badiangan | 785 | 0 | Dead zone: no towers from any source |
| Bernaldo A. Julagting (Bitas) | 1,929 | 0 | Dead zone: no towers from any source |
| Carit-an | 2,378 | 0 | Dead zone: no towers from any source |
| Cuyapiao | 451 | 0 | Dead zone: no towers from any source |
| Gella | 441 | 0 | Dead zone: no towers from any source |
| Igbarawan | 1,167 | 0 | Dead zone: no towers from any source |
| Igbobon | 1,138 | 1 | Crowdsourced signal only (no registered tower) |
| Igburi | 1,056 | 0 | Dead zone: no towers from any source |
| La Rioja | 2,369 | 0 | Dead zone: no towers from any source |
| Mabasa | 779 | 1 | Crowdsourced signal only (no registered tower) |
| Macarina | 774 | 0 | Dead zone: no towers from any source |
| Magarang | 313 | 0 | Dead zone: no towers from any source |
| Magsaysay | 1,148 | 0 | Dead zone: no towers from any source |
| Padang | 2,058 | 1 | Crowdsourced signal only (no registered tower) |
| Pandanan | 959 | 0 | Dead zone: no towers from any source |
| Patlabawon | 713 | 0 | Dead zone: no towers from any source |
| Poblacion | 6,060 | 2 | Crowdsourced signal only (no registered tower) |
| Quezon | 363 | 0 | Dead zone: no towers from any source |
| Salaguiawan | 577 | 0 | Dead zone: no towers from any source |
| Samalague | 1,639 | 0 | Dead zone: no towers from any source |
| San Rafael | 586 | 0 | Dead zone: no towers from any source |
| Tamayoc | 1,241 | 0 | Dead zone: no towers from any source |
| Tigbalogo | 723 | 0 | Dead zone: no towers from any source |
| Tobias Fornier | 491 | 0 | Dead zone: no towers from any source |
| Villa Crespo | 289 | 7 | Crowdsourced signal only (no registered tower) |
| Villa Cruz | 665 | 0 | Dead zone: no towers from any source |
| Villa Elio | 447 | 0 | Dead zone: no towers from any source |
| Villa Flores | 196 | 0 | Dead zone: no towers from any source |
| Villa Laua-an | 140 | 0 | Dead zone: no towers from any source |
| Villa Sal | 152 | 0 | Dead zone: no towers from any source |
| Villa Salomon | 352 | 0 | Dead zone: no towers from any source |
| Vista Alegre | 324 | 0 | Dead zone: no towers from any source |