Buenavista comprises 36 barangays with an estimated population of 54,559. 31 of its barangays (86%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Agsanayan | 1,686 | 1 | Crowdsourced signal only (no registered tower) |
| Avila | 2,519 | 0 | Dead zone: no towers from any source |
| Bacjao (Calumingan) | 954 | 0 | Dead zone: no towers from any source |
| Banban | 1,161 | 0 | Dead zone: no towers from any source |
| Cansilayan | 1,005 | 0 | Dead zone: no towers from any source |
| Dagsa-an | 1,290 | 0 | Dead zone: no towers from any source |
| Daragan | 1,430 | 0 | Dead zone: no towers from any source |
| East Valencia | 2,718 | 0 | Dead zone: no towers from any source |
| Getulio | 2,048 | 0 | Dead zone: no towers from any source |
| Mabini | 803 | 0 | Dead zone: no towers from any source |
| Magsaysay | 1,523 | 0 | Dead zone: no towers from any source |
| Mclain | 1,141 | 2 | Crowdsourced signal only (no registered tower) |
| Montpiller | 766 | 0 | Dead zone: no towers from any source |
| Navalas | 1,142 | 0 | Dead zone: no towers from any source |
| Nazaret | 2,018 | 0 | Dead zone: no towers from any source |
| New Poblacion (Calingao) | 4,052 | 2 | Crowdsourced signal only (no registered tower) |
| Old Poblacion | 1,234 | 0 | Dead zone: no towers from any source |
| Piña | 2,309 | 0 | Dead zone: no towers from any source |
| Rizal | 1,015 | 0 | Dead zone: no towers from any source |
| Salvacion | 5,953 | 1 | Crowdsourced signal only (no registered tower) |
| San Fernando | 766 | 0 | Dead zone: no towers from any source |
| San Isidro | 1,189 | 0 | Dead zone: no towers from any source |
| San Miguel | 928 | 0 | Dead zone: no towers from any source |
| San Nicolas | 1,308 | 0 | Dead zone: no towers from any source |
| San Pedro | 2,106 | 0 | Dead zone: no towers from any source |
| San Roque | 962 | 0 | Dead zone: no towers from any source |
| Santo Rosario | 1,682 | 0 | Dead zone: no towers from any source |
| Sawang | 493 | 0 | Dead zone: no towers from any source |
| Supang | 843 | 0 | Dead zone: no towers from any source |
| Tacay | 908 | 0 | Dead zone: no towers from any source |
| Taminla | 1,639 | 0 | Dead zone: no towers from any source |
| Tanag | 249 | 0 | Dead zone: no towers from any source |
| Tastasan | 1,661 | 1 | Crowdsourced signal only (no registered tower) |
| Tinadtaran | 809 | 0 | Dead zone: no towers from any source |
| Umilig | 380 | 0 | Dead zone: no towers from any source |
| Zaldivar | 1,869 | 0 | Dead zone: no towers from any source |