Gigaquit comprises 13 barangays with an estimated population of 15,012. 11 of its barangays (85%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alambique (Pob.) | 254 | 0 | Dead zone: no towers from any source |
| Anibongan | 1,313 | 0 | Dead zone: no towers from any source |
| Cam-boayon | 312 | 0 | Dead zone: no towers from any source |
| Camam-onan | 1,078 | 0 | Dead zone: no towers from any source |
| Ipil (Pob.) | 1,608 | 1 | Crowdsourced signal only (no registered tower) |
| Lahi | 532 | 0 | Dead zone: no towers from any source |
| Mahanub | 388 | 0 | Dead zone: no towers from any source |
| Poniente | 1,921 | 0 | Dead zone: no towers from any source |
| San Antonio (Bonot) | 316 | 0 | Dead zone: no towers from any source |
| San Isidro | 1,873 | 1 | Crowdsourced signal only (no registered tower) |
| Sico-sico | 1,818 | 0 | Dead zone: no towers from any source |
| Villaflor | 1,750 | 0 | Dead zone: no towers from any source |
| Villafranca | 1,849 | 0 | Dead zone: no towers from any source |