Nabunturan (Capital) comprises 28 barangays with an estimated population of 101,477. 14 of its barangays (50%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Anislagan | 2,382 | 0 | Dead zone: no towers from any source |
| Antequera | 1,463 | 0 | Dead zone: no towers from any source |
| Basak | 2,966 | 0 | Dead zone: no towers from any source |
| Bayabas | 923 | 1 | Crowdsourced signal only (no registered tower) |
| Bukal | 4,380 | 0 | Dead zone: no towers from any source |
| Cabacungan | 340 | 0 | Dead zone: no towers from any source |
| Cabidianan | 3,700 | 3 | Verified coverage (NTC + crowdsourced) |
| Katipunan | 975 | 0 | Dead zone: no towers from any source |
| Libasan | 2,999 | 0 | Dead zone: no towers from any source |
| Linda | 3,936 | 5 | Verified coverage (NTC + crowdsourced) |
| Magading | 3,609 | 0 | Dead zone: no towers from any source |
| Magsaysay | 7,207 | 9 | Verified coverage (NTC + crowdsourced) |
| Mainit | 13,306 | 2 | Registered tower only (not crowd-verified) |
| Manat | 2,202 | 7 | Verified coverage (NTC + crowdsourced) |
| Matilo | 753 | 0 | Dead zone: no towers from any source |
| Mipangi | 2,666 | 2 | Verified coverage (NTC + crowdsourced) |
| New Dauis | 903 | 3 | Crowdsourced signal only (no registered tower) |
| New Sibonga | 8,745 | 9 | Verified coverage (NTC + crowdsourced) |
| Ogao | 1,993 | 0 | Dead zone: no towers from any source |
| Pangutosan | 2,033 | 1 | Registered tower only (not crowd-verified) |
| Poblacion | 21,708 | 13 | Verified coverage (NTC + crowdsourced) |
| San Isidro | 667 | 0 | Dead zone: no towers from any source |
| San Roque | 1,597 | 1 | Registered tower only (not crowd-verified) |
| San Vicente | 477 | 0 | Dead zone: no towers from any source |
| Santa Maria | 3,622 | 4 | Verified coverage (NTC + crowdsourced) |
| Santo Niño (Kao) | 477 | 0 | Dead zone: no towers from any source |
| Sasa | 3,903 | 0 | Dead zone: no towers from any source |
| Tagnocon | 1,545 | 1 | Crowdsourced signal only (no registered tower) |