Languyan comprises 20 barangays with an estimated population of 16,780. 19 of its barangays (95%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Adnin | 160 | 0 | Dead zone: no towers from any source |
| Bakaw-bakaw | 177 | 0 | Dead zone: no towers from any source |
| Bakong | 1,171 | 0 | Dead zone: no towers from any source |
| Bas-bas Proper | 265 | 0 | Dead zone: no towers from any source |
| BasLikud | 692 | 0 | Dead zone: no towers from any source |
| Basnunuk | 1,237 | 0 | Dead zone: no towers from any source |
| Darussalam | 3,178 | 2 | Crowdsourced signal only (no registered tower) |
| Jakarta (Lookan Latuan) | 1,019 | 0 | Dead zone: no towers from any source |
| Kalupag | 843 | 0 | Dead zone: no towers from any source |
| Kiniktal | 64 | 0 | Dead zone: no towers from any source |
| Languyan Proper (Pob.) | 190 | 0 | Dead zone: no towers from any source |
| Marang-marang | 444 | 0 | Dead zone: no towers from any source |
| Maraning | 1,048 | 0 | Dead zone: no towers from any source |
| Parang Pantay | 1,972 | 0 | Dead zone: no towers from any source |
| Sikullis | 764 | 0 | Dead zone: no towers from any source |
| Simalak | 127 | 0 | Dead zone: no towers from any source |
| Tubig Dakula | 2,192 | 0 | Dead zone: no towers from any source |
| Tuhog-tuhog | 425 | 0 | Dead zone: no towers from any source |
| Tumahubong | 395 | 0 | Dead zone: no towers from any source |
| Tumbagaan | 417 | 0 | Dead zone: no towers from any source |