Balabac comprises 20 barangays with an estimated population of 39,688. 20 of its barangays (100%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Agutayan | 663 | 0 | Dead zone: no towers from any source |
| Bancalaan | 10,527 | 0 | Dead zone: no towers from any source |
| Bugsuk (New Cagayancillo) | 2,075 | 0 | Dead zone: no towers from any source |
| Catagupan | 2,381 | 0 | Dead zone: no towers from any source |
| Indalawan | 1,296 | 0 | Dead zone: no towers from any source |
| Malaking Ilog | 2,276 | 0 | Dead zone: no towers from any source |
| Mangsee | 6,783 | 0 | Dead zone: no towers from any source |
| Melville | 1,440 | 0 | Dead zone: no towers from any source |
| Pandanan | 1,265 | 0 | Dead zone: no towers from any source |
| Pasig | 237 | 0 | Dead zone: no towers from any source |
| Poblacion I | 5 | 0 | Dead zone: no towers from any source |
| Poblacion II | 8 | 0 | Dead zone: no towers from any source |
| Poblacion III | 17 | 0 | Dead zone: no towers from any source |
| Poblacion IV | 6 | 0 | Dead zone: no towers from any source |
| Poblacion V | 128 | 0 | Dead zone: no towers from any source |
| Poblacion VI | 3,554 | 0 | Dead zone: no towers from any source |
| Rabor | 482 | 0 | Dead zone: no towers from any source |
| Ramos | 1,944 | 0 | Dead zone: no towers from any source |
| Salang | 3,315 | 0 | Dead zone: no towers from any source |
| Sebaring | 1,286 | 0 | Dead zone: no towers from any source |