Tubo comprises 10 barangays with an estimated population of 6,126. 10 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 |
|---|---|---|---|
| Alangtin | 661 | 0 | Dead zone: no towers from any source |
| Amtuagan | 604 | 0 | Dead zone: no towers from any source |
| Dilong | 644 | 0 | Dead zone: no towers from any source |
| Kili | 461 | 0 | Dead zone: no towers from any source |
| Poblacion (Mayabo) | 782 | 0 | Dead zone: no towers from any source |
| Supo | 632 | 0 | Dead zone: no towers from any source |
| Tabacda | 266 | 0 | Dead zone: no towers from any source |
| Tiempo | 1,046 | 0 | Dead zone: no towers from any source |
| Tubtuba | 667 | 0 | Dead zone: no towers from any source |
| Wayangan | 363 | 0 | Dead zone: no towers from any source |