Montevista comprises 20 barangays with an estimated population of 63,911. 14 of its barangays (70%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Banagbanag | 1,769 | 0 | Dead zone: no towers from any source |
| Banglasan | 1,001 | 0 | Dead zone: no towers from any source |
| Bankerohan Norte | 2,459 | 2 | Crowdsourced signal only (no registered tower) |
| Bankerohan Sur | 1,181 | 2 | Crowdsourced signal only (no registered tower) |
| Camansi | 2,113 | 0 | Dead zone: no towers from any source |
| Camantangan | 2,142 | 0 | Dead zone: no towers from any source |
| Canidkid | 2,573 | 0 | Dead zone: no towers from any source |
| Concepcion | 5,112 | 0 | Dead zone: no towers from any source |
| Dauman | 2,806 | 0 | Dead zone: no towers from any source |
| Lebanon | 3,205 | 0 | Dead zone: no towers from any source |
| Linoan | 5,168 | 3 | Crowdsourced signal only (no registered tower) |
| Mayaon | 1,293 | 0 | Dead zone: no towers from any source |
| New Calape | 649 | 0 | Dead zone: no towers from any source |
| New Cebulan (Sambayon) | 2,348 | 0 | Dead zone: no towers from any source |
| New Dalaguete | 6,652 | 0 | Dead zone: no towers from any source |
| New Visayas | 3,117 | 1 | Crowdsourced signal only (no registered tower) |
| Prosperidad | 2,572 | 0 | Dead zone: no towers from any source |
| San Jose (Pob.) | 12,234 | 12 | Crowdsourced signal only (no registered tower) |
| San Vicente | 3,952 | 0 | Dead zone: no towers from any source |
| Tapia | 1,565 | 10 | Crowdsourced signal only (no registered tower) |