Buldon comprises 15 barangays with an estimated population of 26,770. 15 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 |
|---|---|---|---|
| Ampuan | 639 | 0 | Dead zone: no towers from any source |
| Aratuc | 1,353 | 0 | Dead zone: no towers from any source |
| Cabayuan | 2,593 | 0 | Dead zone: no towers from any source |
| Calaan (Pob.) | 2,133 | 0 | Dead zone: no towers from any source |
| Dinganen | 2,477 | 0 | Dead zone: no towers from any source |
| Edcor (Gallego Edcor) | 1,212 | 0 | Dead zone: no towers from any source |
| Karim | 1,188 | 0 | Dead zone: no towers from any source |
| Kulimpang | 1,609 | 0 | Dead zone: no towers from any source |
| Mataya | 825 | 0 | Dead zone: no towers from any source |
| Minabay | 297 | 0 | Dead zone: no towers from any source |
| Nuyo | 3,401 | 0 | Dead zone: no towers from any source |
| Oring | 821 | 0 | Dead zone: no towers from any source |
| Pantawan | 4,472 | 0 | Dead zone: no towers from any source |
| Piers | 3,141 | 0 | Dead zone: no towers from any source |
| Rumidas | 609 | 0 | Dead zone: no towers from any source |