Hinundayan comprises 17 barangays with an estimated population of 11,021. 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 |
|---|---|---|---|
| Amaga | 423 | 0 | Dead zone: no towers from any source |
| Ambao | 599 | 0 | Dead zone: no towers from any source |
| An-an | 670 | 0 | Dead zone: no towers from any source |
| Baculod | 1,054 | 2 | Crowdsourced signal only (no registered tower) |
| Biasong | 403 | 0 | Dead zone: no towers from any source |
| Bugho | 875 | 0 | Dead zone: no towers from any source |
| Cabulisan | 187 | 0 | Dead zone: no towers from any source |
| Cat-iwing | 442 | 1 | Crowdsourced signal only (no registered tower) |
| District I (Pob.) | 523 | 0 | Dead zone: no towers from any source |
| District II (Pob.) | 486 | 0 | Dead zone: no towers from any source |
| District III (Pob.) | 1,057 | 0 | Dead zone: no towers from any source |
| Hubasan | 595 | 0 | Dead zone: no towers from any source |
| Lungsodaan | 1,586 | 0 | Dead zone: no towers from any source |
| Navalita | 788 | 0 | Dead zone: no towers from any source |
| Plaridel | 276 | 0 | Dead zone: no towers from any source |
| Sabang | 498 | 0 | Dead zone: no towers from any source |
| Sagbok | 559 | 0 | Dead zone: no towers from any source |