Lumbatan comprises 21 barangays with an estimated population of 8,430. 20 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 |
|---|---|---|---|
| Alog | 916 | 0 | Dead zone: no towers from any source |
| Basayungun | 99 | 0 | Dead zone: no towers from any source |
| Buad | 557 | 0 | Dead zone: no towers from any source |
| Bubong Macadar | 104 | 0 | Dead zone: no towers from any source |
| Budi | 177 | 0 | Dead zone: no towers from any source |
| Dago-ok | 355 | 2 | Crowdsourced signal only (no registered tower) |
| Dalama | 172 | 0 | Dead zone: no towers from any source |
| Dalipuga | 498 | 0 | Dead zone: no towers from any source |
| Lalapung | 359 | 0 | Dead zone: no towers from any source |
| Ligue | 241 | 0 | Dead zone: no towers from any source |
| Lumbac | 507 | 0 | Dead zone: no towers from any source |
| Lumbac Bacayawan | 649 | 0 | Dead zone: no towers from any source |
| Lunay | 209 | 0 | Dead zone: no towers from any source |
| Macadar | 112 | 0 | Dead zone: no towers from any source |
| Madaya | 635 | 0 | Dead zone: no towers from any source |
| Minanga | 321 | 0 | Dead zone: no towers from any source |
| Pantar | 318 | 0 | Dead zone: no towers from any source |
| Penaring | 279 | 0 | Dead zone: no towers from any source |
| Picotaan | 1,107 | 0 | Dead zone: no towers from any source |
| Poblacion (Lumbatan) | 314 | 0 | Dead zone: no towers from any source |
| Tambac | 501 | 0 | Dead zone: no towers from any source |