Candelaria comprises 16 barangays with an estimated population of 24,383. 8 of its barangays (50%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Babancal | 1,081 | 0 | Dead zone: no towers from any source |
| Binabalian | 1,902 | 0 | Dead zone: no towers from any source |
| Catol | 1,177 | 8 | Crowdsourced signal only (no registered tower) |
| Dampay | 984 | 0 | Dead zone: no towers from any source |
| Lauis | 557 | 3 | Crowdsourced signal only (no registered tower) |
| Libertador | 683 | 0 | Dead zone: no towers from any source |
| Malabon (San Roque) | 2,924 | 2 | Crowdsourced signal only (no registered tower) |
| Malimanga | 1,022 | 4 | Crowdsourced signal only (no registered tower) |
| Pamibian | 823 | 1 | Crowdsourced signal only (no registered tower) |
| Panayonan | 1,232 | 0 | Dead zone: no towers from any source |
| Pinagrealan | 1,675 | 0 | Dead zone: no towers from any source |
| Poblacion | 568 | 0 | Dead zone: no towers from any source |
| Sinabacan | 2,946 | 3 | Crowdsourced signal only (no registered tower) |
| Taposo | 2,788 | 0 | Dead zone: no towers from any source |
| Uacon | 2,490 | 6 | Crowdsourced signal only (no registered tower) |
| Yamot | 1,531 | 3 | Crowdsourced signal only (no registered tower) |