Nueva Vizcaya has 275 barangays across 15 municipalities. 170 barangays (62%) are connectivity dead zones.
| Municipality | Barangays | Dead zones |
|---|---|---|
| Alfonso Castaneda | 6 | 5 (83%) |
| Ambaguio | 8 | 7 (88%) |
| Aritao | 22 | 14 (64%) |
| Bagabag | 17 | 4 (24%) |
| Bambang | 25 | 11 (44%) |
| Bayombong (Capital) | 25 | 6 (24%) |
| Diadi | 19 | 16 (84%) |
| Dupax del Norte | 15 | 12 (80%) |
| Dupax del Sur | 19 | 12 (63%) |
| Kasibu | 30 | 27 (90%) |
| Kayapa | 30 | 26 (87%) |
| Quezon | 12 | 11 (92%) |
| Santa Fe | 16 | 11 (69%) |
| Solano | 22 | 6 (27%) |
| Villaverde | 9 | 2 (22%) |