T'Boli comprises 25 barangays with an estimated population of 132,310. 19 of its barangays (76%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Aflek | 6,713 | 0 | Dead zone: no towers from any source |
| Afus | 2,939 | 0 | Dead zone: no towers from any source |
| Basag | 9,655 | 0 | Dead zone: no towers from any source |
| Datal Bob | 2,064 | 0 | Dead zone: no towers from any source |
| Desawo | 2,622 | 0 | Dead zone: no towers from any source |
| Dlanag | 2,796 | 0 | Dead zone: no towers from any source |
| Edwards (Pob.) | 4,876 | 2 | Crowdsourced signal only (no registered tower) |
| Kematu | 9,326 | 8 | Crowdsourced signal only (no registered tower) |
| Laconon | 22,515 | 0 | Dead zone: no towers from any source |
| Lambangan | 2,648 | 0 | Dead zone: no towers from any source |
| Lambuling | 3,287 | 0 | Dead zone: no towers from any source |
| Lamhako | 3,840 | 0 | Dead zone: no towers from any source |
| Lamsalome | 1,203 | 0 | Dead zone: no towers from any source |
| Lemsnolon | 3,891 | 0 | Dead zone: no towers from any source |
| Maan | 3,173 | 4 | Crowdsourced signal only (no registered tower) |
| Malugong | 2,068 | 0 | Dead zone: no towers from any source |
| Mongocayo | 3,258 | 2 | Crowdsourced signal only (no registered tower) |
| New Dumangas | 11,565 | 0 | Dead zone: no towers from any source |
| Poblacion | 13,807 | 5 | Crowdsourced signal only (no registered tower) |
| Salacafe | 5,096 | 0 | Dead zone: no towers from any source |
| Sinolon | 4,167 | 1 | Crowdsourced signal only (no registered tower) |
| T'bolok | 2,235 | 0 | Dead zone: no towers from any source |
| Talcon | 1,385 | 0 | Dead zone: no towers from any source |
| Talufo | 2,768 | 0 | Dead zone: no towers from any source |
| Tudok | 4,413 | 0 | Dead zone: no towers from any source |