Balbalan comprises 14 barangays with an estimated population of 13,336. 14 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 |
|---|---|---|---|
| Ababa-an | 218 | 0 | Dead zone: no towers from any source |
| Balantoy | 2,542 | 0 | Dead zone: no towers from any source |
| Balbalan Proper | 614 | 0 | Dead zone: no towers from any source |
| Balbalasang | 884 | 0 | Dead zone: no towers from any source |
| Buaya | 465 | 0 | Dead zone: no towers from any source |
| Dao-angan | 459 | 0 | Dead zone: no towers from any source |
| Gawa-an | 1,198 | 0 | Dead zone: no towers from any source |
| Mabaca | 1,385 | 0 | Dead zone: no towers from any source |
| Maling (Kabugao) | 407 | 0 | Dead zone: no towers from any source |
| Pantikian | 919 | 0 | Dead zone: no towers from any source |
| Poblacion (Salegseg) | 1,013 | 0 | Dead zone: no towers from any source |
| Poswoy | 817 | 0 | Dead zone: no towers from any source |
| Talalang | 839 | 0 | Dead zone: no towers from any source |
| Tawang | 1,576 | 0 | Dead zone: no towers from any source |