Tayum comprises 11 barangays with an estimated population of 15,427. 10 of its barangays (91%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bagalay | 807 | 0 | Dead zone: no towers from any source |
| Basbasa | 632 | 0 | Dead zone: no towers from any source |
| Budac | 1,513 | 0 | Dead zone: no towers from any source |
| Bumagcat | 780 | 0 | Dead zone: no towers from any source |
| Cabaroan | 1,454 | 0 | Dead zone: no towers from any source |
| Deet | 1,268 | 0 | Dead zone: no towers from any source |
| Gaddani | 1,807 | 1 | Crowdsourced signal only (no registered tower) |
| Patucannay | 2,254 | 0 | Dead zone: no towers from any source |
| Pias | 1,246 | 0 | Dead zone: no towers from any source |
| Poblacion | 2,084 | 0 | Dead zone: no towers from any source |
| Velasco | 1,582 | 0 | Dead zone: no towers from any source |