| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in 1 Ulu, Seberang Ulu I | 30257 |
| Postal/ZIP Codes in 2 Ulu, Seberang Ulu I | 30257 |
| Postal/ZIP Codes in 3-4 Ulu, Seberang Ulu I | 30255 |
| Postal/ZIP Codes in 5 Ulu, Seberang Ulu I | 30254 |
| Postal/ZIP Codes in 7 Ulu, Seberang Ulu I | 30253 |