Balamban comprises 28 barangays with an estimated population of 83,641. 11 of its barangays (39%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Abucayan | 5,484 | 2 | Crowdsourced signal only (no registered tower) |
| Aliwanay | 3,203 | 7 | Crowdsourced signal only (no registered tower) |
| Arpili | 6,407 | 9 | Crowdsourced signal only (no registered tower) |
| Baliwagan (Pob.) | 5,696 | 4 | Crowdsourced signal only (no registered tower) |
| Bayong | 772 | 0 | Dead zone: no towers from any source |
| Biasong | 2,142 | 1 | Crowdsourced signal only (no registered tower) |
| Buanoy | 10,284 | 12 | Crowdsourced signal only (no registered tower) |
| Cabagdalan | 653 | 0 | Dead zone: no towers from any source |
| Cabasiangan | 1,131 | 0 | Dead zone: no towers from any source |
| Cambuhawe | 3,824 | 4 | Crowdsourced signal only (no registered tower) |
| Cansomoroy | 2,850 | 7 | Crowdsourced signal only (no registered tower) |
| Cantibas | 1,399 | 1 | Crowdsourced signal only (no registered tower) |
| Cantuod | 2,933 | 7 | Crowdsourced signal only (no registered tower) |
| Duangan | 1,211 | 0 | Dead zone: no towers from any source |
| Gaas | 4,089 | 7 | Crowdsourced signal only (no registered tower) |
| Ginatilan | 1,592 | 0 | Dead zone: no towers from any source |
| Hingatmonan | 977 | 0 | Dead zone: no towers from any source |
| Lamesa | 2,000 | 0 | Dead zone: no towers from any source |
| Liki | 1,230 | 0 | Dead zone: no towers from any source |
| Luca | 792 | 0 | Dead zone: no towers from any source |
| Matun-og | 1,166 | 0 | Dead zone: no towers from any source |
| Nangka | 4,936 | 3 | Crowdsourced signal only (no registered tower) |
| Pondol | 8,018 | 22 | Crowdsourced signal only (no registered tower) |
| Prenza | 3,734 | 4 | Crowdsourced signal only (no registered tower) |
| Santa Cruz-Santo Niño (Pob.) | 1,705 | 13 | Crowdsourced signal only (no registered tower) |
| Singsing | 1,631 | 0 | Dead zone: no towers from any source |
| Sunog | 1,714 | 3 | Crowdsourced signal only (no registered tower) |
| Vito | 2,068 | 1 | Crowdsourced signal only (no registered tower) |