Matalam comprises 34 barangays with an estimated population of 117,150. 28 of its barangays (82%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Arakan | 1,949 | 0 | Dead zone: no towers from any source |
| Bangbang | 724 | 0 | Dead zone: no towers from any source |
| Bato | 2,832 | 0 | Dead zone: no towers from any source |
| Central Malamote | 1,254 | 1 | Crowdsourced signal only (no registered tower) |
| Dalapitan | 1,948 | 0 | Dead zone: no towers from any source |
| Estado | 11,307 | 0 | Dead zone: no towers from any source |
| Ilian | 953 | 0 | Dead zone: no towers from any source |
| Kabulacan | 3,808 | 0 | Dead zone: no towers from any source |
| Kibia | 5,936 | 0 | Dead zone: no towers from any source |
| Kibudoc | 7,107 | 0 | Dead zone: no towers from any source |
| Kidama | 2,050 | 0 | Dead zone: no towers from any source |
| Kilada | 3,055 | 1 | Crowdsourced signal only (no registered tower) |
| Lampayan | 1,890 | 0 | Dead zone: no towers from any source |
| Latagan | 2,093 | 0 | Dead zone: no towers from any source |
| Linao | 2,007 | 0 | Dead zone: no towers from any source |
| Lower Malamote | 572 | 0 | Dead zone: no towers from any source |
| Manubuan | 9,136 | 2 | Crowdsourced signal only (no registered tower) |
| Manupal | 584 | 0 | Dead zone: no towers from any source |
| Marbel | 6,204 | 0 | Dead zone: no towers from any source |
| Minamaing | 981 | 0 | Dead zone: no towers from any source |
| Natutungan | 1,622 | 0 | Dead zone: no towers from any source |
| New Abra | 1,285 | 0 | Dead zone: no towers from any source |
| New Alimodian | 1,591 | 0 | Dead zone: no towers from any source |
| New Bugasong | 5,222 | 0 | Dead zone: no towers from any source |
| New Pandan | 1,685 | 1 | Crowdsourced signal only (no registered tower) |
| Patadon West | 4,238 | 1 | Crowdsourced signal only (no registered tower) |
| Pinamaton | 2,556 | 0 | Dead zone: no towers from any source |
| Poblacion | 3,429 | 5 | Crowdsourced signal only (no registered tower) |
| Salvacion | 9,846 | 0 | Dead zone: no towers from any source |
| Santa Maria | 898 | 0 | Dead zone: no towers from any source |
| Sarayan | 3,280 | 0 | Dead zone: no towers from any source |
| Taculen | 1,297 | 0 | Dead zone: no towers from any source |
| Taguranao | 11,471 | 0 | Dead zone: no towers from any source |
| Tamped (Tampad) | 2,340 | 0 | Dead zone: no towers from any source |