Maluso comprises 20 barangays with an estimated population of 7,749. 20 of its barangays (100%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Abong-Abong | 225 | 0 | Dead zone: no towers from any source |
| Batungal | 72 | 0 | Dead zone: no towers from any source |
| Calang Canas | 32 | 0 | Dead zone: no towers from any source |
| Fuente Maluso | 311 | 0 | Dead zone: no towers from any source |
| Guanan North (Zone I) | 231 | 0 | Dead zone: no towers from any source |
| Guanan South (Zone II) | 53 | 0 | Dead zone: no towers from any source |
| Limbubong | 21 | 0 | Dead zone: no towers from any source |
| Mahayahay Lower (Zone I) | 283 | 0 | Dead zone: no towers from any source |
| Mahayahay Upper (Zone II) | 480 | 0 | Dead zone: no towers from any source |
| Muslim Area | 18 | 0 | Dead zone: no towers from any source |
| Port Holland Zone I Pob. (Upper) | 417 | 0 | Dead zone: no towers from any source |
| Port Holland Zone II Pob. (Shipyard Main) | 103 | 0 | Dead zone: no towers from any source |
| Port Holland Zone III Pob. (Samal Village) | 358 | 0 | Dead zone: no towers from any source |
| Port Holland Zone IV (Lower) | 1,020 | 0 | Dead zone: no towers from any source |
| Port Holland Zone V (Shipyard Tabuk) | 86 | 0 | Dead zone: no towers from any source |
| Taberlongan | 650 | 0 | Dead zone: no towers from any source |
| Tamuk | 97 | 0 | Dead zone: no towers from any source |
| Townsite (Pob.) | 2,782 | 0 | Dead zone: no towers from any source |
| Tubigan | 346 | 0 | Dead zone: no towers from any source |
| Upper Garlayan | 164 | 0 | Dead zone: no towers from any source |