| Place | Post Code |
|---|---|
| Sengaloya, Arachchikattuwa | None |
| Suruvila, Arachchikattuwa | None |
| Wairankattuwa, Arachchikattuwa | None |
| Weerakumandaluwa, Arachchikattuwa | None |
| Welipelessa, Arachchikattuwa | None |
| Wijayakatupatha, Arachchikattuwa | None |
| Wijayakatupatha Elen Egoda, Arachchikattuwa | None |