Samal comprises 14 barangays with an estimated population of 33,427. 6 of its barangays (43%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| East Calaguiman (Pob.) | 4,959 | 0 | Dead zone: no towers from any source |
| East Daang Bago (Pob.) | 208 | 0 | Dead zone: no towers from any source |
| Gugo | 2,497 | 12 | Crowdsourced signal only (no registered tower) |
| Ibaba (Pob.) | 4,624 | 2 | Crowdsourced signal only (no registered tower) |
| Imelda | 1,319 | 8 | Crowdsourced signal only (no registered tower) |
| Lalawigan | 3,032 | 18 | Crowdsourced signal only (no registered tower) |
| Palili | 212 | 0 | Dead zone: no towers from any source |
| San Juan (Pob.) | 4,246 | 8 | Crowdsourced signal only (no registered tower) |
| San Roque (Pob.) | 147 | 0 | Dead zone: no towers from any source |
| Santa Lucia | 3,956 | 2 | Crowdsourced signal only (no registered tower) |
| Sapa | 4,283 | 1 | Crowdsourced signal only (no registered tower) |
| Tabing Ilog | 2,340 | 3 | Crowdsourced signal only (no registered tower) |
| West Calaguiman (Pob.) | 1,475 | 0 | Dead zone: no towers from any source |
| West Daang Bago (Pob.) | 129 | 0 | Dead zone: no towers from any source |