Salvador comprises 25 barangays with an estimated population of 49,676. 24 of its barangays (96%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Barandia | 670 | 0 | Dead zone: no towers from any source |
| Bulacon | 670 | 0 | Dead zone: no towers from any source |
| Buntong | 439 | 0 | Dead zone: no towers from any source |
| Calimodan | 93 | 5 | Crowdsourced signal only (no registered tower) |
| Camp III | 555 | 0 | Dead zone: no towers from any source |
| Curva-Miagao | 3,664 | 0 | Dead zone: no towers from any source |
| Daligdigan | 4,925 | 0 | Dead zone: no towers from any source |
| Inasagan | 1,271 | 0 | Dead zone: no towers from any source |
| Kilala | 3,225 | 0 | Dead zone: no towers from any source |
| Mabatao | 2,109 | 0 | Dead zone: no towers from any source |
| Madaya | 2,240 | 0 | Dead zone: no towers from any source |
| Mamaanon | 349 | 0 | Dead zone: no towers from any source |
| Mapantao | 2,982 | 0 | Dead zone: no towers from any source |
| Mindalano | 391 | 0 | Dead zone: no towers from any source |
| Padianan | 2,663 | 0 | Dead zone: no towers from any source |
| Pagalongan | 1,388 | 0 | Dead zone: no towers from any source |
| Pagayawan | 2,467 | 0 | Dead zone: no towers from any source |
| Panaliwad-on | 2,777 | 0 | Dead zone: no towers from any source |
| Pangantapan | 667 | 0 | Dead zone: no towers from any source |
| Pansor | 553 | 0 | Dead zone: no towers from any source |
| Patidon | 1,779 | 0 | Dead zone: no towers from any source |
| Pawak | 805 | 0 | Dead zone: no towers from any source |
| Poblacion | 10,327 | 0 | Dead zone: no towers from any source |
| Saumay | 1,604 | 0 | Dead zone: no towers from any source |
| Sudlon | 1,063 | 0 | Dead zone: no towers from any source |