Tabuan-Lasa comprises 12 barangays with an estimated population of 2,813. 12 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 |
|---|---|---|---|
| Babag (Babuan Island) | 197 | 0 | Dead zone: no towers from any source |
| Balanting | 274 | 0 | Dead zone: no towers from any source |
| Boloh-boloh | 180 | 0 | Dead zone: no towers from any source |
| Bukut-Umus | 301 | 0 | Dead zone: no towers from any source |
| Kaumpurnah | 104 | 0 | Dead zone: no towers from any source |
| Lanawan | 298 | 0 | Dead zone: no towers from any source |
| Pisak-pisak | 120 | 0 | Dead zone: no towers from any source |
| Saluping | 379 | 0 | Dead zone: no towers from any source |
| Suligan (Babuan Island) | 144 | 0 | Dead zone: no towers from any source |
| Sulloh (Tapiantana) | 24 | 0 | Dead zone: no towers from any source |
| Tambulig Buton | 290 | 0 | Dead zone: no towers from any source |
| Tong-Umus | 502 | 0 | Dead zone: no towers from any source |