Badiangan comprises 31 barangays with an estimated population of 33,273. 27 of its barangays (87%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Agusipan | 1,848 | 1 | Crowdsourced signal only (no registered tower) |
| Astorga | 554 | 8 | Crowdsourced signal only (no registered tower) |
| Bingauan | 1,047 | 0 | Dead zone: no towers from any source |
| Bita-oyan | 1,477 | 0 | Dead zone: no towers from any source |
| Botong | 1,592 | 0 | Dead zone: no towers from any source |
| Budiaue | 1,349 | 0 | Dead zone: no towers from any source |
| Cabanga-an | 606 | 0 | Dead zone: no towers from any source |
| Cabayogan | 775 | 0 | Dead zone: no towers from any source |
| Calansanan | 1,886 | 0 | Dead zone: no towers from any source |
| Catubig | 877 | 1 | Crowdsourced signal only (no registered tower) |
| Guinawahan | 420 | 0 | Dead zone: no towers from any source |
| Ilongbukid | 436 | 0 | Dead zone: no towers from any source |
| Indorohan | 368 | 0 | Dead zone: no towers from any source |
| Iniligan | 1,730 | 0 | Dead zone: no towers from any source |
| Latawan | 394 | 0 | Dead zone: no towers from any source |
| Linayuan | 1,202 | 0 | Dead zone: no towers from any source |
| Mainguit | 526 | 0 | Dead zone: no towers from any source |
| Malublub | 1,244 | 0 | Dead zone: no towers from any source |
| Manaolan | 1,799 | 0 | Dead zone: no towers from any source |
| Mapili Grande | 1,092 | 1 | Crowdsourced signal only (no registered tower) |
| Mapili Sanjo | 353 | 0 | Dead zone: no towers from any source |
| Odiongan | 966 | 0 | Dead zone: no towers from any source |
| Poblacion (Badiangan) | 2,862 | 0 | Dead zone: no towers from any source |
| San Julian | 710 | 0 | Dead zone: no towers from any source |
| Sariri | 619 | 0 | Dead zone: no towers from any source |
| Sianon | 1,702 | 0 | Dead zone: no towers from any source |
| Sinuagan | 1,060 | 0 | Dead zone: no towers from any source |
| Talaba | 728 | 0 | Dead zone: no towers from any source |
| Tamocol | 1,640 | 0 | Dead zone: no towers from any source |
| Teneclan | 436 | 0 | Dead zone: no towers from any source |
| Tina | 975 | 0 | Dead zone: no towers from any source |