Gandara comprises 69 barangays with an estimated population of 34,182. 66 of its barangays (96%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Adela Heights (Pob.) | 632 | 0 | Dead zone: no towers from any source |
| Arong | 850 | 0 | Dead zone: no towers from any source |
| Balocawe | 86 | 0 | Dead zone: no towers from any source |
| Bangahon | 154 | 0 | Dead zone: no towers from any source |
| Beslig | 69 | 0 | Dead zone: no towers from any source |
| Buao | 783 | 0 | Dead zone: no towers from any source |
| Bunyagan | 154 | 0 | Dead zone: no towers from any source |
| Burabod I (Pob.) | 975 | 0 | Dead zone: no towers from any source |
| Burabod II (Pob.) | 575 | 0 | Dead zone: no towers from any source |
| Calirocan | 149 | 0 | Dead zone: no towers from any source |
| Canhumawid | 269 | 0 | Dead zone: no towers from any source |
| Caparangasan | 310 | 0 | Dead zone: no towers from any source |
| Caranas | 125 | 0 | Dead zone: no towers from any source |
| Carmona | 365 | 0 | Dead zone: no towers from any source |
| Casab-ahan | 1,194 | 0 | Dead zone: no towers from any source |
| Casandig | 807 | 0 | Dead zone: no towers from any source |
| Catorse de Agosto | 423 | 0 | Dead zone: no towers from any source |
| Caugbusan | 620 | 0 | Dead zone: no towers from any source |
| Concepcion | 1,113 | 0 | Dead zone: no towers from any source |
| Diaz | 1,165 | 0 | Dead zone: no towers from any source |
| Dumalo-ong (Pob.) | 202 | 2 | Crowdsourced signal only (no registered tower) |
| Elcano | 419 | 0 | Dead zone: no towers from any source |
| Gerali | 535 | 0 | Dead zone: no towers from any source |
| Gereganan | 89 | 0 | Dead zone: no towers from any source |
| Giaboc | 531 | 0 | Dead zone: no towers from any source |
| Hampton | 268 | 0 | Dead zone: no towers from any source |
| Hetebac | 379 | 0 | Dead zone: no towers from any source |
| Himamaloto | 273 | 0 | Dead zone: no towers from any source |
| Hinayagan | 362 | 0 | Dead zone: no towers from any source |
| Hinugacan | 272 | 0 | Dead zone: no towers from any source |
| Hiparayan (Kinonongan) | 527 | 0 | Dead zone: no towers from any source |
| Jasminez | 448 | 0 | Dead zone: no towers from any source |
| Lungib | 336 | 0 | Dead zone: no towers from any source |
| Mabuhay | 167 | 0 | Dead zone: no towers from any source |
| Macugo | 176 | 0 | Dead zone: no towers from any source |
| Malayog | 227 | 0 | Dead zone: no towers from any source |
| Marcos | 94 | 0 | Dead zone: no towers from any source |
| Minda (Pob.) | 691 | 0 | Dead zone: no towers from any source |
| Nacube | 582 | 1 | Crowdsourced signal only (no registered tower) |
| Nalihugan | 876 | 0 | Dead zone: no towers from any source |
| Napalisan | 285 | 0 | Dead zone: no towers from any source |
| Natimonan | 2,000 | 2 | Crowdsourced signal only (no registered tower) |
| Ngoso | 252 | 0 | Dead zone: no towers from any source |
| Palambrag | 436 | 0 | Dead zone: no towers from any source |
| Palanas | 280 | 0 | Dead zone: no towers from any source |
| Pizarro | 468 | 0 | Dead zone: no towers from any source |
| Piñaplata | 446 | 0 | Dead zone: no towers from any source |
| Pologon | 578 | 0 | Dead zone: no towers from any source |
| Purog | 147 | 0 | Dead zone: no towers from any source |
| Rawis | 1,111 | 0 | Dead zone: no towers from any source |
| Rizal | 98 | 0 | Dead zone: no towers from any source |
| Samoyao | 652 | 0 | Dead zone: no towers from any source |
| San Agustin | 1,154 | 0 | Dead zone: no towers from any source |
| San Antonio | 1,046 | 0 | Dead zone: no towers from any source |
| San Enrique | 126 | 0 | Dead zone: no towers from any source |
| San Francisco | 606 | 0 | Dead zone: no towers from any source |
| San Isidro (Dao) | 437 | 0 | Dead zone: no towers from any source |
| San Jose | 1,080 | 0 | Dead zone: no towers from any source |
| San Miguel | 425 | 0 | Dead zone: no towers from any source |
| San Pelayo | 554 | 0 | Dead zone: no towers from any source |
| San Ramon | 239 | 0 | Dead zone: no towers from any source |
| Santa Elena | 298 | 0 | Dead zone: no towers from any source |
| Santo Niño | 678 | 0 | Dead zone: no towers from any source |
| Senibaran (Villa Leona) | 73 | 0 | Dead zone: no towers from any source |
| Sidmon | 532 | 0 | Dead zone: no towers from any source |
| Tagnao | 907 | 0 | Dead zone: no towers from any source |
| Tambongan | 741 | 0 | Dead zone: no towers from any source |
| Tawiran | 114 | 0 | Dead zone: no towers from any source |
| Tigbawon | 147 | 0 | Dead zone: no towers from any source |