Balangkayan comprises 15 barangays with an estimated population of 11,022. 9 of its barangays (60%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Balogo | 1,211 | 0 | Dead zone: no towers from any source |
| Bangon | 154 | 0 | Dead zone: no towers from any source |
| Cabay | 2,606 | 1 | Crowdsourced signal only (no registered tower) |
| Caisawan | 578 | 0 | Dead zone: no towers from any source |
| Cantubi | 220 | 0 | Dead zone: no towers from any source |
| General Malvar | 527 | 0 | Dead zone: no towers from any source |
| Guinpoliran | 590 | 1 | Crowdsourced signal only (no registered tower) |
| Julag | 139 | 0 | Dead zone: no towers from any source |
| Magsaysay | 259 | 0 | Dead zone: no towers from any source |
| Maramag | 685 | 0 | Dead zone: no towers from any source |
| Poblacion I | 226 | 1 | Crowdsourced signal only (no registered tower) |
| Poblacion II | 100 | 1 | Crowdsourced signal only (no registered tower) |
| Poblacion III | 410 | 1 | Crowdsourced signal only (no registered tower) |
| Poblacion IV | 1,485 | 0 | Dead zone: no towers from any source |
| Poblacion V | 1,832 | 5 | Crowdsourced signal only (no registered tower) |