Carmen comprises 21 barangays with an estimated population of 125,785. 16 of its barangays (76%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Aroman | 4,677 | 0 | Dead zone: no towers from any source |
| Bentangan | 8,668 | 0 | Dead zone: no towers from any source |
| Cadiis | 2,997 | 0 | Dead zone: no towers from any source |
| General Luna | 4,717 | 1 | Crowdsourced signal only (no registered tower) |
| Katanayanan | 3,919 | 0 | Dead zone: no towers from any source |
| Kibenes | 4,278 | 0 | Dead zone: no towers from any source |
| Kibugtongan | 5,368 | 0 | Dead zone: no towers from any source |
| Kilala | 2,417 | 0 | Dead zone: no towers from any source |
| Kimadzil | 3,660 | 0 | Dead zone: no towers from any source |
| Lanoon | 2,695 | 0 | Dead zone: no towers from any source |
| Liliongan | 14,650 | 2 | Crowdsourced signal only (no registered tower) |
| Macabenban | 2,870 | 0 | Dead zone: no towers from any source |
| Malapag | 7,398 | 1 | Crowdsourced signal only (no registered tower) |
| Manili | 4,966 | 0 | Dead zone: no towers from any source |
| Palanggalan | 2,773 | 0 | Dead zone: no towers from any source |
| Poblacion | 23,470 | 8 | Crowdsourced signal only (no registered tower) |
| Ranzo | 3,626 | 0 | Dead zone: no towers from any source |
| Tacupan | 3,900 | 1 | Crowdsourced signal only (no registered tower) |
| Tambad | 2,043 | 0 | Dead zone: no towers from any source |
| Tonganon | 9,022 | 0 | Dead zone: no towers from any source |
| Ugalingan (Lumayong) | 7,671 | 0 | Dead zone: no towers from any source |