Corella comprises 8 barangays with an estimated population of 6,910. 2 of its barangays (25%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Anislag | 603 | 4 | Crowdsourced signal only (no registered tower) |
| Canangca-an | 1,039 | 1 | Crowdsourced signal only (no registered tower) |
| Canapnapan | 912 | 6 | Crowdsourced signal only (no registered tower) |
| Cancatac | 665 | 0 | Dead zone: no towers from any source |
| Pandol | 772 | 0 | Dead zone: no towers from any source |
| Poblacion | 1,142 | 7 | Crowdsourced signal only (no registered tower) |
| Sambog | 1,004 | 8 | Crowdsourced signal only (no registered tower) |
| Tanday | 773 | 1 | Crowdsourced signal only (no registered tower) |