Aurora has 151 barangays across 8 municipalities. 88 barangays (58%) are connectivity dead zones.
| Municipality | Barangays | Dead zones |
|---|---|---|
| Baler (Capital) | 13 | 2 (15%) |
| Casiguran | 24 | 19 (79%) |
| Dilasag | 11 | 11 (100%) |
| Dinalungan | 9 | 8 (89%) |
| Dingalan | 11 | 6 (55%) |
| Dipaculao | 25 | 16 (64%) |
| Maria Aurora | 40 | 18 (45%) |
| San Luis | 18 | 8 (44%) |