| Place | Post Code |
|---|---|
| Anonang, Cabangan | 2203 |
| Apo-Apo, Cabangan | 2203 |
| Arew, Cabangan | 2203 |
| Banuambayo, Cabangan | 2203 |
| Cadmang-Reserva, Cabangan | 2203 |
| Camiling, Cabangan | 2203 |
| Casabaan, Cabangan | 2203 |
| Del Carmen, Cabangan | 2203 |
| Dolores, Cabangan | 2203 |
| Felmida-Diaz, Cabangan | 2203 |
| Laoag, Cabangan | 2203 |
| Lomboy, Cabangan | 2203 |
| Longos, Cabangan | 2203 |
| Mabanglit, Cabangan | 2203 |
| New San Juan, Cabangan | 2203 |
| San Antonio, Cabangan | 2203 |
| San Isidro, Cabangan | 2203 |
| San Juan, Cabangan | 2203 |
| San Rafael, Cabangan | 2203 |
| Santa Rita, Cabangan | 2203 |
| Santo Niño, Cabangan | 2203 |
| Tondo, Cabangan | 2203 |