Kapangan comprises 15 barangays with an estimated population of 31,061. 14 of its barangays (93%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Balakbak | 1,778 | 0 | Dead zone: no towers from any source |
| Beleng-Belis | 1,532 | 0 | Dead zone: no towers from any source |
| Boklaoan | 375 | 0 | Dead zone: no towers from any source |
| Cayapes | 1,091 | 0 | Dead zone: no towers from any source |
| Cuba | 1,527 | 0 | Dead zone: no towers from any source |
| Datakan | 2,468 | 0 | Dead zone: no towers from any source |
| Gadang | 2,392 | 0 | Dead zone: no towers from any source |
| Gasweling | 2,594 | 0 | Dead zone: no towers from any source |
| Labueg | 3,125 | 1 | Crowdsourced signal only (no registered tower) |
| Paykek | 1,814 | 0 | Dead zone: no towers from any source |
| Poblacion Central | 2,898 | 0 | Dead zone: no towers from any source |
| Pongayan | 1,555 | 0 | Dead zone: no towers from any source |
| Pudong | 2,170 | 0 | Dead zone: no towers from any source |
| Sagubo | 2,609 | 0 | Dead zone: no towers from any source |
| Taba-ao | 3,133 | 0 | Dead zone: no towers from any source |