Polomolok comprises 23 barangays with an estimated population of 167,764. 7 of its barangays (30%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bentung | 2,529 | 0 | Dead zone: no towers from any source |
| Cannery Site | 29,004 | 45 | Crowdsourced signal only (no registered tower) |
| Crossing Palkan | 2,913 | 6 | Crowdsourced signal only (no registered tower) |
| Glamang | 5,349 | 4 | Crowdsourced signal only (no registered tower) |
| Kinilis | 2,144 | 2 | Crowdsourced signal only (no registered tower) |
| Klinan 6 | 3,963 | 2 | Crowdsourced signal only (no registered tower) |
| Koronadal Proper | 3,908 | 0 | Dead zone: no towers from any source |
| Lam-Caliaf | 1,169 | 1 | Crowdsourced signal only (no registered tower) |
| Landan | 11,192 | 0 | Dead zone: no towers from any source |
| Lapu | 1,983 | 6 | Crowdsourced signal only (no registered tower) |
| Lumakil | 3,943 | 2 | Crowdsourced signal only (no registered tower) |
| Magsaysay | 16,675 | 8 | Crowdsourced signal only (no registered tower) |
| Maligo | 5,443 | 0 | Dead zone: no towers from any source |
| Pagalungan | 4,933 | 13 | Crowdsourced signal only (no registered tower) |
| Palkan | 4,674 | 0 | Dead zone: no towers from any source |
| Poblacion | 36,202 | 51 | Crowdsourced signal only (no registered tower) |
| Polo | 2,231 | 1 | Crowdsourced signal only (no registered tower) |
| Rubber | 4,981 | 0 | Dead zone: no towers from any source |
| Silway 7 | 2,584 | 6 | Crowdsourced signal only (no registered tower) |
| Silway 8 | 10,337 | 21 | Crowdsourced signal only (no registered tower) |
| Sulit | 6,236 | 5 | Crowdsourced signal only (no registered tower) |
| Sumbakil | 1,024 | 0 | Dead zone: no towers from any source |
| Upper Klinan | 4,347 | 6 | Crowdsourced signal only (no registered tower) |