Carmen comprises 8 barangays with an estimated population of 23,512. 5 of its barangays (62%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Cahayagan | 2,536 | 0 | Dead zone: no towers from any source |
| Gosoon | 1,468 | 0 | Dead zone: no towers from any source |
| Manoligao | 4,510 | 0 | Dead zone: no towers from any source |
| Poblacion (Carmen) | 8,391 | 5 | Crowdsourced signal only (no registered tower) |
| Rojales | 1,127 | 2 | Crowdsourced signal only (no registered tower) |
| San Agustin | 2,447 | 0 | Dead zone: no towers from any source |
| Tagcatong | 1,712 | 7 | Crowdsourced signal only (no registered tower) |
| Vinapor | 1,321 | 0 | Dead zone: no towers from any source |