Banton comprises 17 barangays with an estimated population of 2,307. 15 of its barangays (88%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Balogo | 105 | 0 | Dead zone: no towers from any source |
| Banice | 119 | 0 | Dead zone: no towers from any source |
| Hambi-an | 100 | 0 | Dead zone: no towers from any source |
| Lagang | 62 | 0 | Dead zone: no towers from any source |
| Libtong | 128 | 0 | Dead zone: no towers from any source |
| Mainit | 142 | 0 | Dead zone: no towers from any source |
| Nabalay | 39 | 0 | Dead zone: no towers from any source |
| Nasunogan | 160 | 0 | Dead zone: no towers from any source |
| Poblacion | 36 | 3 | Crowdsourced signal only (no registered tower) |
| Sibay | 145 | 0 | Dead zone: no towers from any source |
| Tan-Ag | 199 | 0 | Dead zone: no towers from any source |
| Toctoc | 346 | 0 | Dead zone: no towers from any source |
| Togbongan | 58 | 0 | Dead zone: no towers from any source |
| Togong | 180 | 6 | Crowdsourced signal only (no registered tower) |
| Tumalum | 155 | 0 | Dead zone: no towers from any source |
| Tungonan | 172 | 0 | Dead zone: no towers from any source |
| Yabawon | 161 | 0 | Dead zone: no towers from any source |