Balangiga comprises 13 barangays with an estimated population of 12,782. 10 of its barangays (77%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bacjao | 246 | 0 | Dead zone: no towers from any source |
| Barangay Poblacion I | 730 | 0 | Dead zone: no towers from any source |
| Barangay Poblacion II | 71 | 0 | Dead zone: no towers from any source |
| Barangay Poblacion III | 2,114 | 1 | Crowdsourced signal only (no registered tower) |
| Barangay Poblacion IV | 17 | 0 | Dead zone: no towers from any source |
| Barangay Poblacion V | 35 | 0 | Dead zone: no towers from any source |
| Barangay Poblacion VI | 1,778 | 0 | Dead zone: no towers from any source |
| Cag-olango | 805 | 0 | Dead zone: no towers from any source |
| Cansumangcay | 591 | 3 | Crowdsourced signal only (no registered tower) |
| Guinmaayohan | 1,030 | 0 | Dead zone: no towers from any source |
| Maybunga | 660 | 0 | Dead zone: no towers from any source |
| San Miguel | 1,619 | 2 | Crowdsourced signal only (no registered tower) |
| Santa Rosa | 3,086 | 0 | Dead zone: no towers from any source |