Malabang comprises 37 barangays with an estimated population of 29,893. 35 of its barangays (95%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| BPS Village | 549 | 0 | Dead zone: no towers from any source |
| Bacayawan | 65 | 0 | Dead zone: no towers from any source |
| Badak Lumao | 655 | 0 | Dead zone: no towers from any source |
| Bagoaingud | 494 | 0 | Dead zone: no towers from any source |
| Banday | 453 | 0 | Dead zone: no towers from any source |
| Betayan | 966 | 0 | Dead zone: no towers from any source |
| Boniga | 834 | 0 | Dead zone: no towers from any source |
| Bunk House | 597 | 0 | Dead zone: no towers from any source |
| Cabasaran (South) | 1,069 | 1 | Crowdsourced signal only (no registered tower) |
| Calibagat | 1,776 | 0 | Dead zone: no towers from any source |
| Calumbog | 1,318 | 0 | Dead zone: no towers from any source |
| Campo Muslim | 454 | 0 | Dead zone: no towers from any source |
| China Town (Pob.) | 884 | 0 | Dead zone: no towers from any source |
| Corahab | 1,355 | 0 | Dead zone: no towers from any source |
| Diamaro | 801 | 0 | Dead zone: no towers from any source |
| Inandayan | 759 | 0 | Dead zone: no towers from any source |
| Jose Abad Santos | 226 | 0 | Dead zone: no towers from any source |
| Lamin | 537 | 0 | Dead zone: no towers from any source |
| Mable | 1,171 | 0 | Dead zone: no towers from any source |
| Macuranding | 1,058 | 0 | Dead zone: no towers from any source |
| Madaya | 1,163 | 0 | Dead zone: no towers from any source |
| Mananayo | 203 | 0 | Dead zone: no towers from any source |
| Manggahan | 763 | 0 | Dead zone: no towers from any source |
| Masao | 1,590 | 0 | Dead zone: no towers from any source |
| Matalin | 1,168 | 0 | Dead zone: no towers from any source |
| Matampay | 627 | 0 | Dead zone: no towers from any source |
| Matling | 726 | 0 | Dead zone: no towers from any source |
| Montay | 958 | 0 | Dead zone: no towers from any source |
| Pasir | 515 | 0 | Dead zone: no towers from any source |
| Pialot | 1,166 | 0 | Dead zone: no towers from any source |
| Rebocun | 313 | 1 | Crowdsourced signal only (no registered tower) |
| Sarang | 174 | 0 | Dead zone: no towers from any source |
| Sumbagarogong | 343 | 0 | Dead zone: no towers from any source |
| Tacub | 394 | 0 | Dead zone: no towers from any source |
| Tambara | 1,479 | 0 | Dead zone: no towers from any source |
| Tiongcop | 420 | 0 | Dead zone: no towers from any source |
| Tuboc | 1,870 | 0 | Dead zone: no towers from any source |