Tubungan comprises 48 barangays with an estimated population of 24,561. 43 of its barangays (90%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Adgao | 1,352 | 0 | Dead zone: no towers from any source |
| Ago | 301 | 0 | Dead zone: no towers from any source |
| Ambarihon | 454 | 0 | Dead zone: no towers from any source |
| Ayubo | 326 | 0 | Dead zone: no towers from any source |
| Bacan | 403 | 0 | Dead zone: no towers from any source |
| Badiang | 294 | 0 | Dead zone: no towers from any source |
| Bagunanay | 246 | 0 | Dead zone: no towers from any source |
| Balicua | 393 | 0 | Dead zone: no towers from any source |
| Bantayanan | 430 | 0 | Dead zone: no towers from any source |
| Batga | 341 | 0 | Dead zone: no towers from any source |
| Bato | 470 | 0 | Dead zone: no towers from any source |
| Bikil | 408 | 0 | Dead zone: no towers from any source |
| Boloc | 571 | 1 | Crowdsourced signal only (no registered tower) |
| Bondoc | 254 | 0 | Dead zone: no towers from any source |
| Borong | 237 | 0 | Dead zone: no towers from any source |
| Buenavista | 371 | 0 | Dead zone: no towers from any source |
| Cadabdab | 1,144 | 0 | Dead zone: no towers from any source |
| Daga-ay | 257 | 0 | Dead zone: no towers from any source |
| Desposorio | 338 | 0 | Dead zone: no towers from any source |
| Igdampog Norte | 177 | 0 | Dead zone: no towers from any source |
| Igdampog Sur | 459 | 0 | Dead zone: no towers from any source |
| Igpaho | 674 | 0 | Dead zone: no towers from any source |
| Igtuble | 1,210 | 0 | Dead zone: no towers from any source |
| Ingay | 719 | 0 | Dead zone: no towers from any source |
| Isauan | 247 | 0 | Dead zone: no towers from any source |
| Jolason | 638 | 0 | Dead zone: no towers from any source |
| Jona | 766 | 0 | Dead zone: no towers from any source |
| La-ag | 261 | 0 | Dead zone: no towers from any source |
| Lanag Norte | 538 | 0 | Dead zone: no towers from any source |
| Lanag Sur | 918 | 0 | Dead zone: no towers from any source |
| Male | 209 | 1 | Crowdsourced signal only (no registered tower) |
| Mayang | 733 | 0 | Dead zone: no towers from any source |
| Molina | 546 | 0 | Dead zone: no towers from any source |
| Morcillas | 790 | 0 | Dead zone: no towers from any source |
| Nagba | 551 | 0 | Dead zone: no towers from any source |
| Navillan | 474 | 0 | Dead zone: no towers from any source |
| Pinamacalan | 331 | 0 | Dead zone: no towers from any source |
| San Jose | 255 | 0 | Dead zone: no towers from any source |
| Sibucauan | 479 | 1 | Crowdsourced signal only (no registered tower) |
| Singon | 432 | 0 | Dead zone: no towers from any source |
| Tabat | 592 | 5 | Crowdsourced signal only (no registered tower) |
| Tagpu-an | 825 | 0 | Dead zone: no towers from any source |
| Talento | 246 | 0 | Dead zone: no towers from any source |
| Teniente Benito | 1,404 | 0 | Dead zone: no towers from any source |
| Victoria | 502 | 0 | Dead zone: no towers from any source |
| Zone I (Pob.) | 384 | 0 | Dead zone: no towers from any source |
| Zone II (Pob.) | 357 | 2 | Crowdsourced signal only (no registered tower) |
| Zone III (Pob.) | 254 | 0 | Dead zone: no towers from any source |