Braulio E. Dujali comprises 5 barangays with an estimated population of 21,853. 2 of its barangays (40%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Cabayangan | 1,440 | 0 | Dead zone: no towers from any source |
| Dujali | 5,122 | 2 | Crowdsourced signal only (no registered tower) |
| Magupising | 477 | 1 | Crowdsourced signal only (no registered tower) |
| New Casay | 792 | 0 | Dead zone: no towers from any source |
| Tanglaw | 14,022 | 2 | Crowdsourced signal only (no registered tower) |