Pantar comprises 21 barangays with an estimated population of 19,304. 16 of its barangays (76%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bangco | 911 | 0 | Dead zone: no towers from any source |
| Bowi | 1,600 | 0 | Dead zone: no towers from any source |
| Bubong Madaya | 176 | 0 | Dead zone: no towers from any source |
| Cabasaran | 69 | 0 | Dead zone: no towers from any source |
| Cadayonan | 1,419 | 0 | Dead zone: no towers from any source |
| Campong | 743 | 2 | Crowdsourced signal only (no registered tower) |
| Dibarosan | 277 | 0 | Dead zone: no towers from any source |
| Kalanganan East | 2,222 | 4 | Crowdsourced signal only (no registered tower) |
| Kalanganan Lower | 2,254 | 2 | Crowdsourced signal only (no registered tower) |
| Kalilangan | 667 | 0 | Dead zone: no towers from any source |
| Lumba-Punod | 510 | 0 | Dead zone: no towers from any source |
| Pantao Marug | 388 | 0 | Dead zone: no towers from any source |
| Pantao-Ranao | 828 | 0 | Dead zone: no towers from any source |
| Pantar East | 1,990 | 0 | Dead zone: no towers from any source |
| Pitubo | 777 | 0 | Dead zone: no towers from any source |
| Poblacion | 773 | 1 | Crowdsourced signal only (no registered tower) |
| Poona-Punod | 340 | 0 | Dead zone: no towers from any source |
| Punod | 347 | 0 | Dead zone: no towers from any source |
| Sundiga-Punod | 638 | 0 | Dead zone: no towers from any source |
| Tawanan | 611 | 0 | Dead zone: no towers from any source |
| West Pantar | 1,764 | 2 | Crowdsourced signal only (no registered tower) |