Kumalarang comprises 18 barangays with an estimated population of 31,427. 11 of its barangays (61%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bogayo | 943 | 13 | Crowdsourced signal only (no registered tower) |
| Bolisong | 240 | 0 | Dead zone: no towers from any source |
| Boyugan East | 515 | 0 | Dead zone: no towers from any source |
| Boyugan West | 3,460 | 5 | Crowdsourced signal only (no registered tower) |
| Bualan | 328 | 0 | Dead zone: no towers from any source |
| Diplo | 1,181 | 8 | Crowdsourced signal only (no registered tower) |
| Gawil | 3,220 | 0 | Dead zone: no towers from any source |
| Gusom | 1,140 | 0 | Dead zone: no towers from any source |
| Kitaan Dagat | 1,283 | 0 | Dead zone: no towers from any source |
| Lantawan | 1,858 | 3 | Crowdsourced signal only (no registered tower) |
| Limamawan | 889 | 0 | Dead zone: no towers from any source |
| Mahayahay | 312 | 0 | Dead zone: no towers from any source |
| Pangi | 214 | 0 | Dead zone: no towers from any source |
| Picanan | 2,911 | 11 | Crowdsourced signal only (no registered tower) |
| Poblacion | 9,487 | 3 | Crowdsourced signal only (no registered tower) |
| Salagmanok | 873 | 0 | Dead zone: no towers from any source |
| Secade | 1,424 | 4 | Crowdsourced signal only (no registered tower) |
| Suminalum | 1,149 | 0 | Dead zone: no towers from any source |