City of Tabaco comprises 47 barangays with an estimated population of 123,171. 18 of its barangays (38%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Agnas (San Miguel Island) | 800 | 0 | Dead zone: no towers from any source |
| Bacolod | 398 | 1 | Crowdsourced signal only (no registered tower) |
| Bangkilingan | 4,033 | 2 | Crowdsourced signal only (no registered tower) |
| Bantayan | 1,272 | 0 | Dead zone: no towers from any source |
| Baranghawon | 4,855 | 1 | Crowdsourced signal only (no registered tower) |
| Basagan | 1,492 | 0 | Dead zone: no towers from any source |
| Basud (Pob.) | 1,501 | 5 | Crowdsourced signal only (no registered tower) |
| Bogñabong | 2,844 | 1 | Crowdsourced signal only (no registered tower) |
| Bombon (Pob.) | 988 | 3 | Crowdsourced signal only (no registered tower) |
| Bonot | 2,004 | 0 | Dead zone: no towers from any source |
| Buang | 3,798 | 8 | Crowdsourced signal only (no registered tower) |
| Buhian | 533 | 0 | Dead zone: no towers from any source |
| Cabagñan | 3,023 | 0 | Dead zone: no towers from any source |
| Cobo | 675 | 1 | Crowdsourced signal only (no registered tower) |
| Comon | 1,207 | 0 | Dead zone: no towers from any source |
| Cormidal | 3,169 | 2 | Crowdsourced signal only (no registered tower) |
| Divino Rostro (Pob.) | 583 | 3 | Crowdsourced signal only (no registered tower) |
| Fatima | 1,998 | 3 | Crowdsourced signal only (no registered tower) |
| Guinobat | 2,007 | 1 | Crowdsourced signal only (no registered tower) |
| Hacienda (San Miguel Island) | 5,746 | 0 | Dead zone: no towers from any source |
| Magapo | 1,030 | 0 | Dead zone: no towers from any source |
| Mariroc | 4,549 | 0 | Dead zone: no towers from any source |
| Matagbac | 5,580 | 3 | Crowdsourced signal only (no registered tower) |
| Oras | 1,069 | 0 | Dead zone: no towers from any source |
| Oson | 293 | 0 | Dead zone: no towers from any source |
| Panal | 3,511 | 4 | Crowdsourced signal only (no registered tower) |
| Pawa | 7,802 | 4 | Crowdsourced signal only (no registered tower) |
| Pinagbobong | 4,915 | 0 | Dead zone: no towers from any source |
| Quinale Cabasan (Pob.) | 2,964 | 6 | Crowdsourced signal only (no registered tower) |
| Quinastillojan | 1,746 | 3 | Crowdsourced signal only (no registered tower) |
| Rawis (San Miguel Island) | 291 | 0 | Dead zone: no towers from any source |
| Sagurong (San Miguel Island) | 1,161 | 1 | Crowdsourced signal only (no registered tower) |
| Salvacion | 2,824 | 5 | Crowdsourced signal only (no registered tower) |
| San Antonio | 5,262 | 2 | Crowdsourced signal only (no registered tower) |
| San Carlos | 7,080 | 1 | Crowdsourced signal only (no registered tower) |
| San Isidro (Boring) | 881 | 0 | Dead zone: no towers from any source |
| San Juan (Pob.) | 854 | 15 | Crowdsourced signal only (no registered tower) |
| San Lorenzo | 8,408 | 5 | Crowdsourced signal only (no registered tower) |
| San Ramon | 3,140 | 3 | Crowdsourced signal only (no registered tower) |
| San Roque | 3,987 | 0 | Dead zone: no towers from any source |
| San Vicente | 3,446 | 3 | Crowdsourced signal only (no registered tower) |
| Santo Cristo (Pob.) | 2,755 | 4 | Crowdsourced signal only (no registered tower) |
| Sua-Igot | 876 | 0 | Dead zone: no towers from any source |
| Tabiguian | 1,564 | 4 | Crowdsourced signal only (no registered tower) |
| Tagas | 844 | 3 | Crowdsourced signal only (no registered tower) |
| Tayhi (Pob.) | 2,727 | 4 | Crowdsourced signal only (no registered tower) |
| Visita (San Miguel Island) | 686 | 0 | Dead zone: no towers from any source |