Santo Domingo comprises 36 barangays with an estimated population of 33,434. 25 of its barangays (69%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Binalayangan | 435 | 0 | Dead zone: no towers from any source |
| Binongan | 374 | 4 | Crowdsourced signal only (no registered tower) |
| Borobor | 1,046 | 0 | Dead zone: no towers from any source |
| Cabaritan | 1,124 | 1 | Crowdsourced signal only (no registered tower) |
| Cabigbigaan | 768 | 0 | Dead zone: no towers from any source |
| Calautit | 1,074 | 0 | Dead zone: no towers from any source |
| Calay-ab | 1,204 | 2 | Crowdsourced signal only (no registered tower) |
| Camestizoan | 1,953 | 2 | Crowdsourced signal only (no registered tower) |
| Casili | 611 | 0 | Dead zone: no towers from any source |
| Flora | 273 | 8 | Crowdsourced signal only (no registered tower) |
| Lagatit | 1,018 | 0 | Dead zone: no towers from any source |
| Laoingen | 1,568 | 0 | Dead zone: no towers from any source |
| Lussoc | 1,031 | 0 | Dead zone: no towers from any source |
| Nagbettedan | 872 | 0 | Dead zone: no towers from any source |
| Naglaoa-an | 1,139 | 0 | Dead zone: no towers from any source |
| Nalasin | 1,147 | 3 | Crowdsourced signal only (no registered tower) |
| Nambaran | 1,644 | 0 | Dead zone: no towers from any source |
| Nanerman | 616 | 0 | Dead zone: no towers from any source |
| Napo | 711 | 0 | Dead zone: no towers from any source |
| Padu Chico | 809 | 0 | Dead zone: no towers from any source |
| Padu Grande | 269 | 0 | Dead zone: no towers from any source |
| Paguraper | 400 | 0 | Dead zone: no towers from any source |
| Panay | 88 | 0 | Dead zone: no towers from any source |
| Pangpangdan | 985 | 0 | Dead zone: no towers from any source |
| Parada | 1,112 | 5 | Crowdsourced signal only (no registered tower) |
| Paras | 919 | 0 | Dead zone: no towers from any source |
| Poblacion | 870 | 0 | Dead zone: no towers from any source |
| Puerta Real | 393 | 1 | Crowdsourced signal only (no registered tower) |
| Pussuac | 1,215 | 1 | Crowdsourced signal only (no registered tower) |
| Quimmarayan | 1,778 | 0 | Dead zone: no towers from any source |
| San Pablo | 1,364 | 1 | Crowdsourced signal only (no registered tower) |
| Santa Cruz | 597 | 0 | Dead zone: no towers from any source |
| Santo Tomas | 1,098 | 0 | Dead zone: no towers from any source |
| Sived | 1,049 | 0 | Dead zone: no towers from any source |
| Suksukit | 221 | 0 | Dead zone: no towers from any source |
| Vacunero | 1,659 | 1 | Crowdsourced signal only (no registered tower) |