Bacungan (Leon T. Postigo) comprises 18 barangays with an estimated population of 31,186. 14 of its barangays (78%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bacungan (Pob.) | 5,997 | 1 | Crowdsourced signal only (no registered tower) |
| Bogabongan | 4,298 | 4 | Crowdsourced signal only (no registered tower) |
| Delusom | 1,111 | 1 | Crowdsourced signal only (no registered tower) |
| Mangop | 1,612 | 0 | Dead zone: no towers from any source |
| Manil | 2,473 | 6 | Crowdsourced signal only (no registered tower) |
| Mawal | 859 | 0 | Dead zone: no towers from any source |
| Midatag | 936 | 0 | Dead zone: no towers from any source |
| Morob | 842 | 0 | Dead zone: no towers from any source |
| Nasibac | 2,318 | 0 | Dead zone: no towers from any source |
| Rizon | 1,505 | 0 | Dead zone: no towers from any source |
| Santa Maria | 2,169 | 0 | Dead zone: no towers from any source |
| Sipacong | 1,552 | 0 | Dead zone: no towers from any source |
| Talinga | 2,132 | 0 | Dead zone: no towers from any source |
| Tinaplan | 219 | 0 | Dead zone: no towers from any source |
| Tiniguiban | 871 | 0 | Dead zone: no towers from any source |
| Tinuyop | 856 | 0 | Dead zone: no towers from any source |
| Tiogan | 728 | 0 | Dead zone: no towers from any source |
| Titik | 708 | 0 | Dead zone: no towers from any source |