| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Argasunya, Harjamukti | 45145 |
| Postal/ZIP Codes in Harjamukti, Harjamukti | 45143 |
| Postal/ZIP Codes in Kalijaga, Harjamukti | 45144 |
| Postal/ZIP Codes in Kecapi, Harjamukti | 45142 |
| Postal/ZIP Codes in Larangan, Harjamukti | 45141 |