| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Kacheliba, Suam | 30601 |
| Postal/ZIP Codes in Kanyerus, Suam | 30600 |
| Postal/ZIP Codes in Karon, Suam | 30600 |
| Postal/ZIP Codes in Kopulio, Suam | 30600 |
| Postal/ZIP Codes in Nakuyen, Suam | 30600 |
| Postal/ZIP Codes in Ngengechwo, Suam | 30600 |