Tinglayan comprises 20 barangays with an estimated population of 16,454. 20 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 |
|---|---|---|---|
| Ambato Legleg | 989 | 0 | Dead zone: no towers from any source |
| Bangad Centro | 649 | 0 | Dead zone: no towers from any source |
| Basao | 1,316 | 0 | Dead zone: no towers from any source |
| Belong Manubal | 382 | 0 | Dead zone: no towers from any source |
| Bugnay | 530 | 0 | Dead zone: no towers from any source |
| Buscalan (Buscalan-Locong) | 722 | 0 | Dead zone: no towers from any source |
| Butbut (Butbut-Ngibat) | 501 | 0 | Dead zone: no towers from any source |
| Dananao | 943 | 0 | Dead zone: no towers from any source |
| Loccong | 371 | 0 | Dead zone: no towers from any source |
| Lower Bangad | 935 | 0 | Dead zone: no towers from any source |
| Luplupa | 828 | 0 | Dead zone: no towers from any source |
| Mallango | 1,018 | 0 | Dead zone: no towers from any source |
| Ngibat | 212 | 0 | Dead zone: no towers from any source |
| Old Tinglayan | 371 | 0 | Dead zone: no towers from any source |
| Poblacion | 2,457 | 0 | Dead zone: no towers from any source |
| Sumadel 1 | 771 | 0 | Dead zone: no towers from any source |
| Sumadel 2 | 696 | 0 | Dead zone: no towers from any source |
| Tulgao East | 1,030 | 0 | Dead zone: no towers from any source |
| Tulgao West | 878 | 0 | Dead zone: no towers from any source |
| Upper Bangad | 855 | 0 | Dead zone: no towers from any source |