Barobo comprises 21 barangays with an estimated population of 53,761. 13 of its barangays (62%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Amaga | 2,035 | 0 | Dead zone: no towers from any source |
| Bahi | 5,336 | 5 | Crowdsourced signal only (no registered tower) |
| Cabacungan | 1,199 | 0 | Dead zone: no towers from any source |
| Cambagang | 3,309 | 3 | Crowdsourced signal only (no registered tower) |
| Causwagan | 856 | 0 | Dead zone: no towers from any source |
| Dapdap | 1,185 | 0 | Dead zone: no towers from any source |
| Dughan | 1,472 | 2 | Crowdsourced signal only (no registered tower) |
| Gamut | 3,558 | 0 | Dead zone: no towers from any source |
| Javier | 2,307 | 2 | Crowdsourced signal only (no registered tower) |
| Kinayan | 670 | 0 | Dead zone: no towers from any source |
| Mamis | 1,117 | 0 | Dead zone: no towers from any source |
| Poblacion | 14,320 | 17 | Crowdsourced signal only (no registered tower) |
| Rizal | 1,416 | 0 | Dead zone: no towers from any source |
| San Jose | 1,372 | 1 | Crowdsourced signal only (no registered tower) |
| San Roque | 329 | 0 | Dead zone: no towers from any source |
| San Vicente | 1,887 | 0 | Dead zone: no towers from any source |
| Sua | 443 | 0 | Dead zone: no towers from any source |
| Sudlon | 2,390 | 0 | Dead zone: no towers from any source |
| Tambis | 5,893 | 2 | Crowdsourced signal only (no registered tower) |
| Unidad | 924 | 0 | Dead zone: no towers from any source |
| Wakat | 1,743 | 1 | Crowdsourced signal only (no registered tower) |