Omar comprises 8 barangays with an estimated population of 5,332. 8 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 |
|---|---|---|---|
| Andalan | 169 | 0 | Dead zone: no towers from any source |
| Angilan | 361 | 0 | Dead zone: no towers from any source |
| Capual Island | 1,135 | 0 | Dead zone: no towers from any source |
| Huwit-huwit | 499 | 0 | Dead zone: no towers from any source |
| Lahing-Lahing | 218 | 0 | Dead zone: no towers from any source |
| Niangkaan | 513 | 0 | Dead zone: no towers from any source |
| Sucuban | 218 | 0 | Dead zone: no towers from any source |
| Tangkuan | 2,219 | 0 | Dead zone: no towers from any source |