Labason comprises 20 barangays with an estimated population of 35,405. 10 of its barangays (50%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Antonino (Pob.) | 1,634 | 0 | Dead zone: no towers from any source |
| Balas | 1,709 | 1 | Crowdsourced signal only (no registered tower) |
| Bobongan | 565 | 3 | Crowdsourced signal only (no registered tower) |
| Dansalan | 1,893 | 2 | Crowdsourced signal only (no registered tower) |
| Gabu | 724 | 0 | Dead zone: no towers from any source |
| Gil Sanchez | 1,741 | 0 | Dead zone: no towers from any source |
| Imelda | 2,517 | 5 | Crowdsourced signal only (no registered tower) |
| Immaculada | 501 | 0 | Dead zone: no towers from any source |
| Kipit | 1,836 | 1 | Crowdsourced signal only (no registered tower) |
| La Union | 2,287 | 0 | Dead zone: no towers from any source |
| Lapatan | 873 | 0 | Dead zone: no towers from any source |
| Lawagan | 1,368 | 1 | Crowdsourced signal only (no registered tower) |
| Lawigan | 1,185 | 0 | Dead zone: no towers from any source |
| Lopoc (Pob.) | 3,692 | 2 | Crowdsourced signal only (no registered tower) |
| Malintuboan | 2,171 | 0 | Dead zone: no towers from any source |
| New Salvacion | 1,181 | 0 | Dead zone: no towers from any source |
| Osukan | 3,949 | 2 | Crowdsourced signal only (no registered tower) |
| Patawag | 2,161 | 0 | Dead zone: no towers from any source |
| San Isidro | 1,045 | 4 | Crowdsourced signal only (no registered tower) |
| Ubay | 2,373 | 5 | Crowdsourced signal only (no registered tower) |