Lumbayanague comprises 22 barangays with an estimated population of 5,533. 21 of its barangays (95%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bagoaingud | 131 | 0 | Dead zone: no towers from any source |
| Balaigay | 105 | 0 | Dead zone: no towers from any source |
| Bualan | 509 | 0 | Dead zone: no towers from any source |
| Cabuntungan | 254 | 0 | Dead zone: no towers from any source |
| Cadayonan | 511 | 0 | Dead zone: no towers from any source |
| Cadingilan | 68 | 0 | Dead zone: no towers from any source |
| Cadingilan A | 80 | 0 | Dead zone: no towers from any source |
| Casalayan | 80 | 0 | Dead zone: no towers from any source |
| Dala (Dalama) | 189 | 1 | Crowdsourced signal only (no registered tower) |
| Dilimbayan | 340 | 0 | Dead zone: no towers from any source |
| Diromoyod | 118 | 0 | Dead zone: no towers from any source |
| Kabasaran (Pob.) | 132 | 0 | Dead zone: no towers from any source |
| Lamin | 647 | 0 | Dead zone: no towers from any source |
| Mapantao-Balangas | 317 | 0 | Dead zone: no towers from any source |
| Miniros | 496 | 0 | Dead zone: no towers from any source |
| Nanagun | 173 | 0 | Dead zone: no towers from any source |
| Pantaon | 634 | 0 | Dead zone: no towers from any source |
| Pindolonan | 110 | 0 | Dead zone: no towers from any source |
| Pitatanglan | 85 | 0 | Dead zone: no towers from any source |
| Poctan | 79 | 0 | Dead zone: no towers from any source |
| Singcara | 103 | 0 | Dead zone: no towers from any source |
| Wago | 372 | 0 | Dead zone: no towers from any source |