Carmen comprises 20 barangays with an estimated population of 113,044. 9 of its barangays (45%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alejal | 15,363 | 3 | Verified coverage (NTC + crowdsourced) |
| Anibongan | 4,702 | 0 | Dead zone: no towers from any source |
| Asuncion (Cuatro-Cuatro) | 391 | 1 | Registered tower only (not crowd-verified) |
| Cebulano | 5,294 | 0 | Dead zone: no towers from any source |
| Guadalupe | 4,761 | 11 | Crowdsourced signal only (no registered tower) |
| Ising (Pob.) | 13,070 | 14 | Crowdsourced signal only (no registered tower) |
| La Paz | 4,994 | 12 | Crowdsourced signal only (no registered tower) |
| Mabaus | 1,280 | 0 | Dead zone: no towers from any source |
| Mabuhay | 1,185 | 1 | Crowdsourced signal only (no registered tower) |
| Magsaysay | 4,820 | 4 | Verified coverage (NTC + crowdsourced) |
| Mangalcal | 11,839 | 0 | Dead zone: no towers from any source |
| Minda | 444 | 0 | Dead zone: no towers from any source |
| New Camiling | 3,543 | 0 | Dead zone: no towers from any source |
| Salvacion | 1,480 | 0 | Dead zone: no towers from any source |
| San Isidro | 1,438 | 0 | Dead zone: no towers from any source |
| Santo Niño | 6,048 | 20 | Crowdsourced signal only (no registered tower) |
| Taba | 3,485 | 1 | Crowdsourced signal only (no registered tower) |
| Tibulao | 3,291 | 0 | Dead zone: no towers from any source |
| Tubod | 17,229 | 4 | Verified coverage (NTC + crowdsourced) |
| Tuganay | 8,387 | 24 | Crowdsourced signal only (no registered tower) |