Sabangan comprises 15 barangays with an estimated population of 11,036. 10 of its barangays (67%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bao-angan | 383 | 0 | Dead zone: no towers from any source |
| Bun-ayan | 1,579 | 0 | Dead zone: no towers from any source |
| Busa | 260 | 0 | Dead zone: no towers from any source |
| Camatagan | 886 | 0 | Dead zone: no towers from any source |
| Capinitan | 675 | 0 | Dead zone: no towers from any source |
| Data | 780 | 1 | Crowdsourced signal only (no registered tower) |
| Gayang | 223 | 0 | Dead zone: no towers from any source |
| Lagan | 782 | 0 | Dead zone: no towers from any source |
| Losad | 502 | 4 | Crowdsourced signal only (no registered tower) |
| Namatec | 478 | 1 | Crowdsourced signal only (no registered tower) |
| Napua | 2,075 | 0 | Dead zone: no towers from any source |
| Pingad | 515 | 0 | Dead zone: no towers from any source |
| Poblacion | 457 | 0 | Dead zone: no towers from any source |
| Supang | 719 | 2 | Crowdsourced signal only (no registered tower) |
| Tambingan | 722 | 1 | Crowdsourced signal only (no registered tower) |