Kapai comprises 20 barangays with an estimated population of 12,674. 20 of its barangays (100%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Babayog | 316 | 0 | Dead zone: no towers from any source |
| Cormatan | 311 | 0 | Dead zone: no towers from any source |
| Dilabayan | 448 | 0 | Dead zone: no towers from any source |
| Dilimbayan | 778 | 0 | Dead zone: no towers from any source |
| Dimagaling (Dimagalin Proper) | 1,132 | 0 | Dead zone: no towers from any source |
| Dimunda | 709 | 0 | Dead zone: no towers from any source |
| Doronan | 678 | 0 | Dead zone: no towers from any source |
| Gadongan | 391 | 0 | Dead zone: no towers from any source |
| Kasayanan | 1,122 | 0 | Dead zone: no towers from any source |
| Kasayanan West | 65 | 0 | Dead zone: no towers from any source |
| Kibolos | 311 | 0 | Dead zone: no towers from any source |
| Kining | 195 | 0 | Dead zone: no towers from any source |
| Lidasan | 1,716 | 0 | Dead zone: no towers from any source |
| Macadar | 1,001 | 0 | Dead zone: no towers from any source |
| Malna Proper | 491 | 0 | Dead zone: no towers from any source |
| Pagalongan | 230 | 0 | Dead zone: no towers from any source |
| Pantaon | 521 | 0 | Dead zone: no towers from any source |
| Parao | 762 | 0 | Dead zone: no towers from any source |
| Pindolonan | 912 | 0 | Dead zone: no towers from any source |
| Poblacion (Kapai Proper) | 585 | 0 | Dead zone: no towers from any source |