Mansalay comprises 17 barangays with an estimated population of 85,522. 16 of its barangays (94%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| B. del Mundo | 11,330 | 0 | Dead zone: no towers from any source |
| Balugo | 5,229 | 0 | Dead zone: no towers from any source |
| Bonbon | 2,228 | 0 | Dead zone: no towers from any source |
| Budburan | 1,125 | 0 | Dead zone: no towers from any source |
| Cabalwa | 682 | 2 | Crowdsourced signal only (no registered tower) |
| Don Pedro | 4,430 | 0 | Dead zone: no towers from any source |
| Maliwanag | 2,737 | 0 | Dead zone: no towers from any source |
| Manaul | 1,818 | 0 | Dead zone: no towers from any source |
| Panaytayan | 19,045 | 0 | Dead zone: no towers from any source |
| Poblacion | 5,959 | 0 | Dead zone: no towers from any source |
| Roma | 3,555 | 0 | Dead zone: no towers from any source |
| Santa Brigida | 1,021 | 0 | Dead zone: no towers from any source |
| Santa Maria | 6,483 | 0 | Dead zone: no towers from any source |
| Santa Teresita | 8,351 | 0 | Dead zone: no towers from any source |
| Villa Celestial | 2,533 | 0 | Dead zone: no towers from any source |
| Wasig | 5,359 | 0 | Dead zone: no towers from any source |
| Waygan | 3,637 | 0 | Dead zone: no towers from any source |