| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Thôn 1, Yên Bái) | 323721 |
| Postal/ZIP Codes in Thôn 2, Yên Bái) | 323722 |
| Postal/ZIP Codes in Thôn 3, Yên Bái) | 323723 |
| Postal/ZIP Codes in Thôn 4, Yên Bái) | 323724 |
| Postal/ZIP Codes in Thôn 5, Yên Bái) | 323725 |
| Postal/ZIP Codes in Thôn 6, Yên Bái) | 323726 |
| Postal/ZIP Codes in Thôn 7, Yên Bái) | 323727 |
| Postal/ZIP Codes in Thôn 8, Yên Bái) | 323728 |
| Postal/ZIP Codes in Thôn 9, Yên Bái) | 323729 |