Reina Mercedes comprises 20 barangays with an estimated population of 31,301. 12 of its barangays (60%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Banquero | 3,170 | 0 | Dead zone: no towers from any source |
| Binarsang | 837 | 1 | Crowdsourced signal only (no registered tower) |
| Cutog Grande | 234 | 0 | Dead zone: no towers from any source |
| Cutog Pequeño | 245 | 0 | Dead zone: no towers from any source |
| Dangan | 2,461 | 0 | Dead zone: no towers from any source |
| District I (Pob.) | 1,503 | 0 | Dead zone: no towers from any source |
| District II (Pob.) | 1,077 | 0 | Dead zone: no towers from any source |
| Labinab Grande (Pob.) | 649 | 0 | Dead zone: no towers from any source |
| Labinab Pequeño (Pob.) | 737 | 0 | Dead zone: no towers from any source |
| Mallalatang Grande | 2,243 | 1 | Crowdsourced signal only (no registered tower) |
| Mallalatang Tunggui | 422 | 0 | Dead zone: no towers from any source |
| Napaccu Grande | 1,694 | 3 | Crowdsourced signal only (no registered tower) |
| Napaccu Pequeño | 1,845 | 5 | Crowdsourced signal only (no registered tower) |
| Salucong | 1,279 | 0 | Dead zone: no towers from any source |
| Santiago | 2,698 | 0 | Dead zone: no towers from any source |
| Santor | 914 | 2 | Crowdsourced signal only (no registered tower) |
| Sinippil | 1,587 | 2 | Crowdsourced signal only (no registered tower) |
| Tallungan (Pob.) | 2,691 | 1 | Crowdsourced signal only (no registered tower) |
| Turod | 4,575 | 1 | Crowdsourced signal only (no registered tower) |
| Villador | 440 | 0 | Dead zone: no towers from any source |