Buenavista comprises 25 barangays with an estimated population of 71,252. 14 of its barangays (56%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Abilan | 1,970 | 6 | Verified coverage (NTC + crowdsourced) |
| Agong-ong | 2,981 | 8 | Crowdsourced signal only (no registered tower) |
| Alubijid | 3,727 | 4 | Crowdsourced signal only (no registered tower) |
| Guinabsan | 6,081 | 0 | Dead zone: no towers from any source |
| Lower Olave | 2,657 | 0 | Dead zone: no towers from any source |
| Macalang | 2,561 | 0 | Dead zone: no towers from any source |
| Malapong | 2,528 | 0 | Dead zone: no towers from any source |
| Malpoc | 5,654 | 0 | Dead zone: no towers from any source |
| Manapa | 5,961 | 9 | Crowdsourced signal only (no registered tower) |
| Matabao | 6,442 | 13 | Crowdsourced signal only (no registered tower) |
| Poblacion 1 | 1,864 | 1 | Crowdsourced signal only (no registered tower) |
| Poblacion 10 | 320 | 0 | Dead zone: no towers from any source |
| Poblacion 2 | 4,405 | 5 | Crowdsourced signal only (no registered tower) |
| Poblacion 3 | 1,475 | 3 | Crowdsourced signal only (no registered tower) |
| Poblacion 4 | 427 | 1 | Crowdsourced signal only (no registered tower) |
| Poblacion 5 | 726 | 0 | Dead zone: no towers from any source |
| Poblacion 6 | 439 | 0 | Dead zone: no towers from any source |
| Poblacion 7 | 167 | 0 | Dead zone: no towers from any source |
| Poblacion 8 | 636 | 0 | Dead zone: no towers from any source |
| Poblacion 9 | 78 | 0 | Dead zone: no towers from any source |
| Rizal | 2,679 | 0 | Dead zone: no towers from any source |
| Sacol | 3,757 | 2 | Crowdsourced signal only (no registered tower) |
| Sangay | 4,644 | 0 | Dead zone: no towers from any source |
| Simbalan | 6,368 | 1 | Crowdsourced signal only (no registered tower) |
| Talo-ao | 2,705 | 0 | Dead zone: no towers from any source |