Cateel comprises 16 barangays with an estimated population of 64,883. 15 of its barangays (94%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Abijod | 8,153 | 0 | Dead zone: no towers from any source |
| Alegria | 2,875 | 0 | Dead zone: no towers from any source |
| Aliwagwag | 1,962 | 0 | Dead zone: no towers from any source |
| Aragon | 3,269 | 0 | Dead zone: no towers from any source |
| Baybay | 1,511 | 0 | Dead zone: no towers from any source |
| Maglahus | 2,121 | 0 | Dead zone: no towers from any source |
| Mainit | 4,357 | 0 | Dead zone: no towers from any source |
| Malibago | 2,978 | 0 | Dead zone: no towers from any source |
| Poblacion | 14,132 | 1 | Crowdsourced signal only (no registered tower) |
| San Alfonso | 3,186 | 0 | Dead zone: no towers from any source |
| San Antonio | 2,698 | 0 | Dead zone: no towers from any source |
| San Miguel | 8,024 | 0 | Dead zone: no towers from any source |
| San Rafael | 3,879 | 0 | Dead zone: no towers from any source |
| San Vicente | 3,314 | 0 | Dead zone: no towers from any source |
| Santa Filomena | 858 | 0 | Dead zone: no towers from any source |
| Taytayan | 1,566 | 0 | Dead zone: no towers from any source |