Candijay comprises 21 barangays with an estimated population of 22,875. 12 of its barangays (57%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Abihilan | 1,058 | 0 | Dead zone: no towers from any source |
| Anoling | 831 | 2 | Crowdsourced signal only (no registered tower) |
| Boyo-an | 1,300 | 0 | Dead zone: no towers from any source |
| Cadapdapan | 1,121 | 2 | Crowdsourced signal only (no registered tower) |
| Cambane | 522 | 0 | Dead zone: no towers from any source |
| Can-olin | 1,252 | 0 | Dead zone: no towers from any source |
| Canawa | 1,532 | 2 | Crowdsourced signal only (no registered tower) |
| Cogtong | 1,520 | 0 | Dead zone: no towers from any source |
| La Union | 1,152 | 2 | Crowdsourced signal only (no registered tower) |
| Luan | 341 | 0 | Dead zone: no towers from any source |
| Lungsoda-an | 1,035 | 0 | Dead zone: no towers from any source |
| Mahangin | 779 | 0 | Dead zone: no towers from any source |
| Pagahat | 134 | 1 | Crowdsourced signal only (no registered tower) |
| Panadtaran | 618 | 0 | Dead zone: no towers from any source |
| Panas | 845 | 0 | Dead zone: no towers from any source |
| Poblacion | 2,921 | 3 | Crowdsourced signal only (no registered tower) |
| San Isidro | 836 | 1 | Crowdsourced signal only (no registered tower) |
| Tambongan | 1,652 | 0 | Dead zone: no towers from any source |
| Tawid | 1,083 | 0 | Dead zone: no towers from any source |
| Tubod (Tres Rosas) | 967 | 3 | Crowdsourced signal only (no registered tower) |
| Tugas | 1,376 | 4 | Crowdsourced signal only (no registered tower) |