Dangcagan comprises 14 barangays with an estimated population of 26,615. 10 of its barangays (71%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Barongcot | 2,691 | 4 | Verified coverage (NTC + crowdsourced) |
| Bugwak | 464 | 0 | Dead zone: no towers from any source |
| Dolorosa | 475 | 0 | Dead zone: no towers from any source |
| Kapalaran | 2,176 | 0 | Dead zone: no towers from any source |
| Kianggat | 1,894 | 0 | Dead zone: no towers from any source |
| Lourdes | 481 | 1 | Crowdsourced signal only (no registered tower) |
| Macarthur | 429 | 0 | Dead zone: no towers from any source |
| Miaray | 3,541 | 2 | Verified coverage (NTC + crowdsourced) |
| Migcuya | 648 | 0 | Dead zone: no towers from any source |
| New Visayas | 1,167 | 0 | Dead zone: no towers from any source |
| Osmeña | 1,580 | 0 | Dead zone: no towers from any source |
| Poblacion | 8,378 | 5 | Verified coverage (NTC + crowdsourced) |
| Sagbayan | 2,085 | 0 | Dead zone: no towers from any source |
| San Vicente | 606 | 0 | Dead zone: no towers from any source |