| Place | Post Code |
|---|---|
| Adrialuna, Naujan | 5204 |
| Andres Ilagan, Naujan | 5204 |
| Antipolo, Naujan | 5204 |
| Apitong, Naujan | 5204 |
| Arangin, Naujan | 5204 |
| Aurora, Naujan | 5204 |
| Bacungan, Naujan | 5204 |
| Bagong Buhay, Naujan | 5204 |
| Balite, Naujan | 5204 |
| Bancuro, Naujan | 5204 |
| Banuton, Naujan | 5204 |
| Barcenaga, Naujan | 5204 |
| Bayani, Naujan | 5204 |
| Buhangin, Naujan | 5204 |
| Caburo, Naujan | 5204 |
| Concepcion, Naujan | 5204 |
| Dao, Naujan | 5204 |
| Del Pilar, Naujan | 5204 |
| Estrella, Naujan | 5204 |
| Evangelista, Naujan | 5204 |
| Gamao, Naujan | 5204 |
| General Esco, Naujan | 5204 |
| Herrera, Naujan | 5204 |
| Inarawan, Naujan | 5204 |
| Kalinisan, Naujan | 5204 |
| Laguna, Naujan | 5204 |