Tulunan comprises 29 barangays with an estimated population of 66,088. 22 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 |
|---|---|---|---|
| Bacong | 1,057 | 0 | Dead zone: no towers from any source |
| Bagumbayan | 3,869 | 0 | Dead zone: no towers from any source |
| Banayal | 995 | 0 | Dead zone: no towers from any source |
| Batang | 1,063 | 0 | Dead zone: no towers from any source |
| Bituan | 775 | 0 | Dead zone: no towers from any source |
| Bual | 6,961 | 5 | Crowdsourced signal only (no registered tower) |
| Bunawan | 546 | 0 | Dead zone: no towers from any source |
| Daig | 654 | 0 | Dead zone: no towers from any source |
| Damawato | 1,121 | 0 | Dead zone: no towers from any source |
| Dungos | 7,157 | 0 | Dead zone: no towers from any source |
| F. Cajelo | 507 | 1 | Crowdsourced signal only (no registered tower) |
| Galidan | 2,333 | 0 | Dead zone: no towers from any source |
| Genoveva Baynosa | 573 | 0 | Dead zone: no towers from any source |
| Kanibong | 554 | 0 | Dead zone: no towers from any source |
| La Esperanza | 5,438 | 7 | Crowdsourced signal only (no registered tower) |
| Lampagang | 1,160 | 0 | Dead zone: no towers from any source |
| Magbok | 1,202 | 0 | Dead zone: no towers from any source |
| Maybula | 408 | 0 | Dead zone: no towers from any source |
| Minapan | 907 | 0 | Dead zone: no towers from any source |
| Nabundasan | 959 | 9 | Crowdsourced signal only (no registered tower) |
| New Caridad | 1,145 | 0 | Dead zone: no towers from any source |
| New Culasi | 846 | 0 | Dead zone: no towers from any source |
| New Panay | 3,404 | 3 | Crowdsourced signal only (no registered tower) |
| Paraiso | 892 | 0 | Dead zone: no towers from any source |
| Poblacion | 4,486 | 3 | Crowdsourced signal only (no registered tower) |
| Popoyon | 2,555 | 0 | Dead zone: no towers from any source |
| Sibsib | 3,716 | 16 | Crowdsourced signal only (no registered tower) |
| Tambac | 10,063 | 0 | Dead zone: no towers from any source |
| Tuburan | 742 | 0 | Dead zone: no towers from any source |