Siaton comprises 26 barangays with an estimated population of 89,402. 10 of its barangays (38%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Albiga | 1,802 | 3 | Crowdsourced signal only (no registered tower) |
| Apoloy | 1,271 | 0 | Dead zone: no towers from any source |
| Bonawon | 8,219 | 6 | Crowdsourced signal only (no registered tower) |
| Bonbonon | 2,747 | 6 | Crowdsourced signal only (no registered tower) |
| Cabangahan | 2,582 | 4 | Crowdsourced signal only (no registered tower) |
| Canaway | 5,401 | 0 | Dead zone: no towers from any source |
| Casala-an | 8,779 | 0 | Dead zone: no towers from any source |
| Caticugan | 2,437 | 0 | Dead zone: no towers from any source |
| Datag | 1,495 | 0 | Dead zone: no towers from any source |
| Giliga-on | 4,051 | 5 | Crowdsourced signal only (no registered tower) |
| Inalad | 2,893 | 2 | Crowdsourced signal only (no registered tower) |
| Malabuhan | 5,306 | 3 | Crowdsourced signal only (no registered tower) |
| Maloh | 5,433 | 5 | Crowdsourced signal only (no registered tower) |
| Mantiquil | 2,565 | 0 | Dead zone: no towers from any source |
| Mantuyop | 2,474 | 0 | Dead zone: no towers from any source |
| Napacao | 3,135 | 8 | Crowdsourced signal only (no registered tower) |
| Poblacion I | 737 | 2 | Crowdsourced signal only (no registered tower) |
| Poblacion II | 2,601 | 8 | Crowdsourced signal only (no registered tower) |
| Poblacion III | 6,222 | 7 | Crowdsourced signal only (no registered tower) |
| Poblacion IV | 839 | 1 | Crowdsourced signal only (no registered tower) |
| Salag | 2,495 | 5 | Crowdsourced signal only (no registered tower) |
| San Jose | 2,348 | 0 | Dead zone: no towers from any source |
| Sandulot | 3,273 | 0 | Dead zone: no towers from any source |
| Si-it | 1,621 | 4 | Crowdsourced signal only (no registered tower) |
| Sumaliring | 5,095 | 2 | Crowdsourced signal only (no registered tower) |
| Tayak | 3,581 | 0 | Dead zone: no towers from any source |