| Place | Post Code |
|---|---|
| Bagumbayan, Kauswagan | 9202 |
| Bara-Ason, Kauswagan | 9202 |
| Cayontor, Kauswagan | 9202 |
| Delabayan, Kauswagan | 9202 |
| Inudaran, Kauswagan | 9202 |
| Kawit Occidental, Kauswagan | 9202 |
| Kawit Oriental, Kauswagan | 9202 |
| Libertad, Kauswagan | 9202 |
| Paiton, Kauswagan | 9202 |
| Poblacion, Kauswagan | 9202 |
| Tacub, Kauswagan | 9202 |
| Tingintingin, Kauswagan | 9202 |
| Tugar, Kauswagan | 9202 |