The following are the zip codes in the municipalities of Nueva Vizcaya.
| Region | Provinces | City/Municipality | Zip Code |
|---|---|---|---|
| Region 2 (Cagayan Valley) | Nueva Vizcaya | Solano | 3709 |
| Region 2 (Cagayan Valley) | Nueva Vizcaya | Sta. Fe | 3705 |
| Region 2 (Cagayan Valley) | Nueva Vizcaya | Quezon | 3713 |
| Region 2 (Cagayan Valley) | Nueva Vizcaya | Kayapa | 3708 |
| Region 2 (Cagayan Valley) | Nueva Vizcaya | Kasibu | 3703 |
| Region 2 (Cagayan Valley) | Nueva Vizcaya | Dupax del Sur | 3707 |
| Region 2 (Cagayan Valley) | Nueva Vizcaya | Dupax del Norte | 3706 |
| Region 2 (Cagayan Valley) | Nueva Vizcaya | Diadi | 3712 |
| Region 2 (Cagayan Valley) | Nueva Vizcaya | Bayombong | 3700 |
| Region 2 (Cagayan Valley) | Nueva Vizcaya | Bambang | 3702 |
| Region 2 (Cagayan Valley) | Nueva Vizcaya | Bagabag | 3711 |
| Region 2 (Cagayan Valley) | Nueva Vizcaya | Aritao | 3704 |
| Region 2 (Cagayan Valley) | Nueva Vizcaya | Ambaguio | 3701 |
| Region 2 (Cagayan Valley) | Nueva Vizcaya | Alfonso Castañeda | 3714 |
