Initao comprises 16 barangays with an estimated population of 28,776. 7 of its barangays (44%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Aluna | 1,718 | 0 | Dead zone: no towers from any source |
| Andales | 757 | 1 | Crowdsourced signal only (no registered tower) |
| Apas | 2,078 | 0 | Dead zone: no towers from any source |
| Calacapan | 1,089 | 0 | Dead zone: no towers from any source |
| Gimangpang | 2,412 | 8 | Crowdsourced signal only (no registered tower) |
| Jampason | 892 | 8 | Crowdsourced signal only (no registered tower) |
| Kamelon | 764 | 1 | Crowdsourced signal only (no registered tower) |
| Kanitoan | 1,135 | 2 | Crowdsourced signal only (no registered tower) |
| Oguis | 1,321 | 0 | Dead zone: no towers from any source |
| Pagahan | 774 | 8 | Crowdsourced signal only (no registered tower) |
| Poblacion | 4,146 | 8 | Crowdsourced signal only (no registered tower) |
| Pontacon | 483 | 0 | Dead zone: no towers from any source |
| San Pedro | 3,689 | 1 | Crowdsourced signal only (no registered tower) |
| Sinalac | 2,072 | 0 | Dead zone: no towers from any source |
| Tawantawan | 2,414 | 0 | Dead zone: no towers from any source |
| Tubigan | 3,032 | 18 | Crowdsourced signal only (no registered tower) |