| Place | Post Code |
|---|---|
| រតនៈ (Rottanak, Rottanak) | 021403 |
| រំចេក ១ (Rumchek 1, Rottanak) | 021403 |
| រំចេក ២ (Rumchek 2, Rottanak) | 021403 |
| រំចេក ៣ (Rumchek 3, Rottanak) | 021403 |
| រំចេក ៤ (Rumchek 4, Rottanak) | 021403 |
| រំចេក ៥ (Rumchek 5, Rottanak) | 021403 |
| សូភី ១ (Souphy 1, Rottanak) | 021403 |
| សូភី ២ (Souphy 2, Rottanak) | 021403 |