Dueñas comprises 47 barangays with an estimated population of 38,378. 35 of its barangays (74%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Agutayan | 690 | 0 | Dead zone: no towers from any source |
| Angare | 516 | 0 | Dead zone: no towers from any source |
| Anjawan | 1,174 | 0 | Dead zone: no towers from any source |
| Baac | 351 | 0 | Dead zone: no towers from any source |
| Bagongbong | 1,027 | 1 | Crowdsourced signal only (no registered tower) |
| Balangigan | 1,002 | 0 | Dead zone: no towers from any source |
| Balingasag | 779 | 0 | Dead zone: no towers from any source |
| Banugan | 522 | 0 | Dead zone: no towers from any source |
| Batuan | 1,396 | 0 | Dead zone: no towers from any source |
| Bita | 584 | 0 | Dead zone: no towers from any source |
| Buenavista | 356 | 0 | Dead zone: no towers from any source |
| Bugtongan | 1,014 | 0 | Dead zone: no towers from any source |
| Cabudian | 1,579 | 0 | Dead zone: no towers from any source |
| Calaca-an | 814 | 0 | Dead zone: no towers from any source |
| Calang | 872 | 0 | Dead zone: no towers from any source |
| Calawinan | 510 | 0 | Dead zone: no towers from any source |
| Capaycapay | 192 | 0 | Dead zone: no towers from any source |
| Capuling | 2,186 | 3 | Crowdsourced signal only (no registered tower) |
| Catig | 284 | 0 | Dead zone: no towers from any source |
| Dila-an | 928 | 1 | Crowdsourced signal only (no registered tower) |
| Fundacion | 403 | 0 | Dead zone: no towers from any source |
| Inadlawan | 326 | 0 | Dead zone: no towers from any source |
| Jagdong | 512 | 0 | Dead zone: no towers from any source |
| Jaguimit | 850 | 1 | Crowdsourced signal only (no registered tower) |
| Lacadon | 725 | 0 | Dead zone: no towers from any source |
| Luag | 498 | 0 | Dead zone: no towers from any source |
| Malusgod | 246 | 1 | Crowdsourced signal only (no registered tower) |
| Maribuyong | 928 | 0 | Dead zone: no towers from any source |
| Minanga | 1,104 | 0 | Dead zone: no towers from any source |
| Monpon | 352 | 0 | Dead zone: no towers from any source |
| Navalas | 1,083 | 0 | Dead zone: no towers from any source |
| Pader | 424 | 0 | Dead zone: no towers from any source |
| Pandan | 2,131 | 2 | Crowdsourced signal only (no registered tower) |
| Poblacion A | 1,426 | 4 | Crowdsourced signal only (no registered tower) |
| Poblacion B | 767 | 0 | Dead zone: no towers from any source |
| Poblacion C | 568 | 1 | Crowdsourced signal only (no registered tower) |
| Poblacion D | 1,222 | 3 | Crowdsourced signal only (no registered tower) |
| Ponong Grande | 1,872 | 3 | Crowdsourced signal only (no registered tower) |
| Ponong Pequeño | 1,233 | 0 | Dead zone: no towers from any source |
| Purog | 655 | 0 | Dead zone: no towers from any source |
| Romblon | 473 | 0 | Dead zone: no towers from any source |
| San Isidro | 503 | 0 | Dead zone: no towers from any source |
| Santo Niño | 705 | 0 | Dead zone: no towers from any source |
| Sawe | 396 | 1 | Crowdsourced signal only (no registered tower) |
| Taminla | 1,061 | 0 | Dead zone: no towers from any source |
| Tinocuan | 476 | 2 | Crowdsourced signal only (no registered tower) |
| Tipolo | 663 | 0 | Dead zone: no towers from any source |