Hungduan comprises 9 barangays with an estimated population of 10,281. 6 of its barangays (67%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Abatan | 810 | 0 | Dead zone: no towers from any source |
| Ba-ang | 500 | 0 | Dead zone: no towers from any source |
| Bangbang | 566 | 0 | Dead zone: no towers from any source |
| Bokiawan | 1,320 | 0 | Dead zone: no towers from any source |
| Hapao | 2,067 | 3 | Crowdsourced signal only (no registered tower) |
| Lubo-ong | 1,295 | 11 | Crowdsourced signal only (no registered tower) |
| Maggok | 780 | 0 | Dead zone: no towers from any source |
| Nungulunan | 871 | 1 | Crowdsourced signal only (no registered tower) |
| Poblacion | 2,072 | 0 | Dead zone: no towers from any source |