Trinidad comprises 20 barangays with an estimated population of 36,312. 18 of its barangays (90%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Banlasan | 863 | 0 | Dead zone: no towers from any source |
| Bongbong | 614 | 0 | Dead zone: no towers from any source |
| Catoogan | 960 | 0 | Dead zone: no towers from any source |
| Guinobatan | 2,578 | 10 | Crowdsourced signal only (no registered tower) |
| Hinlayagan Ilaud | 1,013 | 0 | Dead zone: no towers from any source |
| Hinlayagan Ilaya | 1,173 | 0 | Dead zone: no towers from any source |
| Kauswagan | 3,301 | 0 | Dead zone: no towers from any source |
| Kinan-oan | 1,981 | 0 | Dead zone: no towers from any source |
| La Union | 2,331 | 0 | Dead zone: no towers from any source |
| La Victoria | 2,473 | 0 | Dead zone: no towers from any source |
| Mabuhay Cabigohan | 1,079 | 0 | Dead zone: no towers from any source |
| Mahagbu | 1,519 | 0 | Dead zone: no towers from any source |
| Manuel M. Roxas | 693 | 0 | Dead zone: no towers from any source |
| Poblacion | 5,343 | 0 | Dead zone: no towers from any source |
| San Isidro | 820 | 0 | Dead zone: no towers from any source |
| San Vicente | 2,736 | 3 | Crowdsourced signal only (no registered tower) |
| Santo Tomas | 1,184 | 0 | Dead zone: no towers from any source |
| Soom | 2,705 | 0 | Dead zone: no towers from any source |
| Tagum Norte | 1,252 | 0 | Dead zone: no towers from any source |
| Tagum Sur | 1,694 | 0 | Dead zone: no towers from any source |