| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Khu 1, Yên Bái) | 324981 |
| Postal/ZIP Codes in Khu 10a, Yên Bái) | 324989 |
| Postal/ZIP Codes in Khu 10b, Yên Bái) | 324990 |
| Postal/ZIP Codes in Khu 19-5, Yên Bái) | 324993 |
| Postal/ZIP Codes in Khu 2, Yên Bái) | 324982 |
| Postal/ZIP Codes in Khu 3, Yên Bái) | 324983 |
| Postal/ZIP Codes in Khu 4, Yên Bái) | 324984 |
| Postal/ZIP Codes in Khu 6, Yên Bái) | 324985 |
| Postal/ZIP Codes in Khu 7, Yên Bái) | 324986 |
| Postal/ZIP Codes in Khu 8, Yên Bái) | 324987 |
| Postal/ZIP Codes in Khu 9, Yên Bái) | 324988 |
| Postal/ZIP Codes in Khu Nhà Máy, Yên Bái) | 324991 |
| Postal/ZIP Codes in Khu Trung Tâm, Yên Bái) | 324992 |