| Place | Postal Code |
|---|---|
| Alugan, San Policarpo | 6821 |
| Bahay, San Policarpo | 6821 |
| Bangon, San Policarpo | 6821 |
| Barangay No. 1, San Policarpo | 6821 |
| Barangay No. 2, San Policarpo | 6821 |
| Barangay No. 3, San Policarpo | 6821 |
| Barangay No. 4, San Policarpo | 6821 |
| Barangay No. 5, San Policarpo | 6821 |
| Baras, San Policarpo | 6821 |
| Binogawan, San Policarpo | 6821 |
| Cajagwayan, San Policarpo | 6821 |
| Japunan, San Policarpo | 6821 |
| Natividad, San Policarpo | 6821 |
| Pangpang, San Policarpo | 6821 |
| Santa Cruz, San Policarpo | 6821 |
| Tabo, San Policarpo | 6821 |
| Tan-Awan, San Policarpo | 6821 |