Al-Barka comprises 16 barangays with an estimated population of 4,881. 16 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 |
|---|---|---|---|
| Apil-apil | 405 | 0 | Dead zone: no towers from any source |
| Bato-bato | 206 | 0 | Dead zone: no towers from any source |
| Bohe-Piang | 259 | 0 | Dead zone: no towers from any source |
| Bucalao | 199 | 0 | Dead zone: no towers from any source |
| Cambug | 118 | 0 | Dead zone: no towers from any source |
| Danapah | 137 | 0 | Dead zone: no towers from any source |
| Guinanta | 504 | 0 | Dead zone: no towers from any source |
| Kailih | 76 | 0 | Dead zone: no towers from any source |
| Kinukutan | 220 | 0 | Dead zone: no towers from any source |
| Kuhon | 508 | 0 | Dead zone: no towers from any source |
| Kuhon Lennuh | 413 | 0 | Dead zone: no towers from any source |
| Linuan | 494 | 0 | Dead zone: no towers from any source |
| Lookbisaya (Kaulungan Island) | 151 | 0 | Dead zone: no towers from any source |
| Macalang | 518 | 0 | Dead zone: no towers from any source |
| Magcawa | 498 | 0 | Dead zone: no towers from any source |
| Sangkahan (Kaulungan Island) | 175 | 0 | Dead zone: no towers from any source |