Oton comprises 37 barangays with an estimated population of 97,003. 12 of its barangays (32%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Abilay Norte | 3,911 | 22 | Crowdsourced signal only (no registered tower) |
| Abilay Sur | 1,158 | 2 | Crowdsourced signal only (no registered tower) |
| Alegre | 1,377 | 2 | Crowdsourced signal only (no registered tower) |
| Batuan Ilaud | 1,371 | 0 | Dead zone: no towers from any source |
| Batuan Ilaya | 1,677 | 1 | Crowdsourced signal only (no registered tower) |
| Bita Norte | 1,017 | 0 | Dead zone: no towers from any source |
| Bita Sur | 498 | 1 | Crowdsourced signal only (no registered tower) |
| Botong | 4,666 | 14 | Crowdsourced signal only (no registered tower) |
| Buray | 7,112 | 6 | Crowdsourced signal only (no registered tower) |
| Cabanbanan | 2,506 | 10 | Crowdsourced signal only (no registered tower) |
| Caboloan Norte | 3,512 | 2 | Crowdsourced signal only (no registered tower) |
| Caboloan Sur | 627 | 1 | Crowdsourced signal only (no registered tower) |
| Cadinglian | 1,398 | 0 | Dead zone: no towers from any source |
| Cagbang | 7,452 | 15 | Crowdsourced signal only (no registered tower) |
| Calam-isan | 1,284 | 0 | Dead zone: no towers from any source |
| Galang | 1,244 | 0 | Dead zone: no towers from any source |
| Lambuyao | 2,414 | 5 | Crowdsourced signal only (no registered tower) |
| Mambog | 780 | 2 | Crowdsourced signal only (no registered tower) |
| Pakiad | 4,026 | 22 | Crowdsourced signal only (no registered tower) |
| Poblacion East | 4,025 | 1 | Crowdsourced signal only (no registered tower) |
| Poblacion North | 613 | 4 | Crowdsourced signal only (no registered tower) |
| Poblacion South | 7,074 | 17 | Crowdsourced signal only (no registered tower) |
| Poblacion West | 3,943 | 3 | Crowdsourced signal only (no registered tower) |
| Polo Maestra Bita | 3,356 | 25 | Crowdsourced signal only (no registered tower) |
| Rizal | 2,026 | 0 | Dead zone: no towers from any source |
| Salngan | 466 | 0 | Dead zone: no towers from any source |
| Sambaludan | 1,203 | 0 | Dead zone: no towers from any source |
| San Antonio | 4,691 | 10 | Crowdsourced signal only (no registered tower) |
| San Nicolas | 2,735 | 6 | Crowdsourced signal only (no registered tower) |
| Santa Clara | 2,145 | 0 | Dead zone: no towers from any source |
| Santa Monica | 3,348 | 0 | Dead zone: no towers from any source |
| Santa Rita | 1,954 | 1 | Crowdsourced signal only (no registered tower) |
| Tagbac Norte | 1,047 | 0 | Dead zone: no towers from any source |
| Tagbac Sur | 2,361 | 17 | Crowdsourced signal only (no registered tower) |
| Trapiche | 6,896 | 16 | Crowdsourced signal only (no registered tower) |
| Tuburan | 367 | 3 | Crowdsourced signal only (no registered tower) |
| Turog-Turog | 723 | 0 | Dead zone: no towers from any source |