| Place | Post Code |
|---|---|
| Balloc, San Clemente | 2305 |
| Bamban, San Clemente | 2305 |
| Casipo, San Clemente | 2305 |
| Catagudingan, San Clemente | 2305 |
| Daldalayap, San Clemente | 2305 |
| Doclong 1, San Clemente | 2305 |
| Doclong 2, San Clemente | 2305 |
| Maasin, San Clemente | 2305 |
| Nagsabaran, San Clemente | 2305 |
| Pit-Ao, San Clemente | 2305 |
| Poblacion Norte, San Clemente | 2305 |
| Poblacion Sur, San Clemente | 2305 |