Bataan has 237 barangays across 12 municipalities. 75 barangays (32%) are connectivity dead zones.
| Municipality | Barangays | Dead zones |
|---|---|---|
| Abucay | 9 | 3 (33%) |
| Bagac | 14 | 3 (21%) |
| City of Balanga (Capital) | 25 | 4 (16%) |
| Dinalupihan | 46 | 21 (46%) |
| Hermosa | 23 | 3 (13%) |
| Limay | 12 | 2 (17%) |
| Mariveles | 18 | 6 (33%) |
| Morong | 5 | 1 (20%) |
| Orani | 29 | 9 (31%) |
| Orion | 23 | 9 (39%) |
| Pilar | 19 | 8 (42%) |
| Samal | 14 | 6 (43%) |