Nampicuan comprises 21 barangays with an estimated population of 19,013. 19 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 |
|---|---|---|---|
| Alemania | 801 | 0 | Dead zone: no towers from any source |
| Ambasador Alzate Village | 1,007 | 0 | Dead zone: no towers from any source |
| Cabaducan East (Pob.) | 909 | 0 | Dead zone: no towers from any source |
| Cabaducan West (Pob.) | 588 | 0 | Dead zone: no towers from any source |
| Cabawangan | 5,549 | 9 | Crowdsourced signal only (no registered tower) |
| East Central Poblacion | 188 | 0 | Dead zone: no towers from any source |
| Edy | 442 | 0 | Dead zone: no towers from any source |
| Estacion (Pob.) | 1,034 | 2 | Crowdsourced signal only (no registered tower) |
| Maeling | 743 | 0 | Dead zone: no towers from any source |
| Mayantoc | 1,324 | 0 | Dead zone: no towers from any source |
| Medico | 568 | 0 | Dead zone: no towers from any source |
| Monic | 480 | 0 | Dead zone: no towers from any source |
| North Poblacion | 991 | 0 | Dead zone: no towers from any source |
| Northwest Poblacion | 93 | 0 | Dead zone: no towers from any source |
| Recuerdo | 2,655 | 0 | Dead zone: no towers from any source |
| South Central Poblacion | 230 | 0 | Dead zone: no towers from any source |
| Southeast Poblacion | 82 | 0 | Dead zone: no towers from any source |
| Southwest Poblacion | 284 | 0 | Dead zone: no towers from any source |
| Tony | 267 | 0 | Dead zone: no towers from any source |
| West Central Poblacion | 697 | 0 | Dead zone: no towers from any source |
| West Poblacion | 81 | 0 | Dead zone: no towers from any source |