Dinagat comprises 12 barangays with an estimated population of 10,776. 11 of its barangays (92%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bagumbayan | 294 | 0 | Dead zone: no towers from any source |
| Cab-ilan | 335 | 0 | Dead zone: no towers from any source |
| Cabayawan | 432 | 0 | Dead zone: no towers from any source |
| Cayetano | 985 | 0 | Dead zone: no towers from any source |
| Escolta (Pob.) | 137 | 0 | Dead zone: no towers from any source |
| Gomez | 1,470 | 0 | Dead zone: no towers from any source |
| Justiniana Edera | 265 | 0 | Dead zone: no towers from any source |
| Magsaysay | 986 | 0 | Dead zone: no towers from any source |
| Mauswagon (Pob.) | 19 | 0 | Dead zone: no towers from any source |
| New Mabuhay | 2,555 | 0 | Dead zone: no towers from any source |
| Wadas | 909 | 1 | Crowdsourced signal only (no registered tower) |
| White Beach (Pob.) | 2,389 | 0 | Dead zone: no towers from any source |