Nagbukel comprises 12 barangays with an estimated population of 6,504. 11 of its barangays (92%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Balaweg | 604 | 2 | Crowdsourced signal only (no registered tower) |
| Bandril | 991 | 0 | Dead zone: no towers from any source |
| Bantugo | 334 | 0 | Dead zone: no towers from any source |
| Cadacad | 234 | 0 | Dead zone: no towers from any source |
| Casilagan | 296 | 0 | Dead zone: no towers from any source |
| Cosocos | 155 | 0 | Dead zone: no towers from any source |
| Lapting | 544 | 0 | Dead zone: no towers from any source |
| Mapisi | 612 | 0 | Dead zone: no towers from any source |
| Mission | 690 | 0 | Dead zone: no towers from any source |
| Poblacion East | 1,014 | 0 | Dead zone: no towers from any source |
| Poblacion West | 262 | 0 | Dead zone: no towers from any source |
| Taleb | 768 | 0 | Dead zone: no towers from any source |