Buguias comprises 14 barangays with an estimated population of 60,946. 8 of its barangays (57%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Abatan | 4,073 | 8 | Crowdsourced signal only (no registered tower) |
| Amgaleyguey | 7,017 | 9 | Crowdsourced signal only (no registered tower) |
| Amlimay | 4,121 | 0 | Dead zone: no towers from any source |
| Baculongan Norte | 3,168 | 0 | Dead zone: no towers from any source |
| Baculongan Sur | 1,484 | 0 | Dead zone: no towers from any source |
| Bangao | 6,874 | 2 | Crowdsourced signal only (no registered tower) |
| Buyacaoan | 2,397 | 8 | Crowdsourced signal only (no registered tower) |
| Calamagan | 2,257 | 0 | Dead zone: no towers from any source |
| Catlubong | 4,934 | 0 | Dead zone: no towers from any source |
| Lengaoan | 3,036 | 1 | Crowdsourced signal only (no registered tower) |
| Loo | 6,447 | 0 | Dead zone: no towers from any source |
| Natubleng | 3,845 | 2 | Crowdsourced signal only (no registered tower) |
| Poblacion (Central) | 5,070 | 0 | Dead zone: no towers from any source |
| Sebang | 6,223 | 0 | Dead zone: no towers from any source |