Belison comprises 11 barangays with an estimated population of 13,832. 4 of its barangays (36%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Borocboroc | 905 | 2 | Crowdsourced signal only (no registered tower) |
| Buenavista | 860 | 0 | Dead zone: no towers from any source |
| Concepcion | 1,099 | 0 | Dead zone: no towers from any source |
| Delima | 609 | 3 | Crowdsourced signal only (no registered tower) |
| Ipil | 897 | 2 | Crowdsourced signal only (no registered tower) |
| Maradiona | 1,942 | 0 | Dead zone: no towers from any source |
| Mojon | 555 | 1 | Crowdsourced signal only (no registered tower) |
| Poblacion | 3,619 | 6 | Crowdsourced signal only (no registered tower) |
| Rombang | 1,207 | 3 | Crowdsourced signal only (no registered tower) |
| Salvacion | 414 | 0 | Dead zone: no towers from any source |
| Sinaja | 1,725 | 1 | Crowdsourced signal only (no registered tower) |