Tambulig comprises 31 barangays with an estimated population of 35,897. 22 of its barangays (71%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alang-alang | 2,690 | 0 | Dead zone: no towers from any source |
| Angeles | 833 | 0 | Dead zone: no towers from any source |
| Bag-ong Kauswagan | 867 | 0 | Dead zone: no towers from any source |
| Bag-ong Tabogon | 329 | 0 | Dead zone: no towers from any source |
| Balugo | 1,023 | 0 | Dead zone: no towers from any source |
| Cabgan | 1,202 | 0 | Dead zone: no towers from any source |
| Calolot | 981 | 1 | Crowdsourced signal only (no registered tower) |
| Dimalinao | 434 | 0 | Dead zone: no towers from any source |
| Fabian (Balucot) | 1,828 | 0 | Dead zone: no towers from any source |
| Gabunon | 1,630 | 10 | Crowdsourced signal only (no registered tower) |
| Happy Valley (Pob.) | 1,840 | 19 | Crowdsourced signal only (no registered tower) |
| Kapalaran | 500 | 0 | Dead zone: no towers from any source |
| Libato | 667 | 0 | Dead zone: no towers from any source |
| Limamawan | 771 | 0 | Dead zone: no towers from any source |
| Lower Liasan | 390 | 0 | Dead zone: no towers from any source |
| Lower Lodiong (Pob.) | 2,249 | 7 | Crowdsourced signal only (no registered tower) |
| Lower Tiparak | 1,308 | 2 | Crowdsourced signal only (no registered tower) |
| Lower Usogan | 891 | 0 | Dead zone: no towers from any source |
| Maya-maya | 570 | 0 | Dead zone: no towers from any source |
| New Village (Pob.) | 2,196 | 0 | Dead zone: no towers from any source |
| Pelocoban | 691 | 0 | Dead zone: no towers from any source |
| Riverside (Pob.) | 537 | 1 | Crowdsourced signal only (no registered tower) |
| Sagrada Familia | 1,271 | 0 | Dead zone: no towers from any source |
| San Jose | 385 | 0 | Dead zone: no towers from any source |
| San Vicente | 611 | 0 | Dead zone: no towers from any source |
| Sumalig | 2,575 | 9 | Crowdsourced signal only (no registered tower) |
| Tuluan | 1,850 | 23 | Crowdsourced signal only (no registered tower) |
| Tungawan | 2,128 | 6 | Crowdsourced signal only (no registered tower) |
| Upper Liason | 415 | 0 | Dead zone: no towers from any source |
| Upper Lodiong | 174 | 0 | Dead zone: no towers from any source |
| Upper Tiparak | 2,061 | 0 | Dead zone: no towers from any source |