| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Thôn 1, Yên Bái) | 323381 |
| Postal/ZIP Codes in Thôn 2, Yên Bái) | 323382 |
| Postal/ZIP Codes in Thôn 3, Yên Bái) | 323383 |
| Postal/ZIP Codes in Thôn 4, Yên Bái) | 323384 |
| Postal/ZIP Codes in Thôn 5, Yên Bái) | 323385 |
| Postal/ZIP Codes in Thôn 6, Yên Bái) | 323386 |
| Postal/ZIP Codes in Thôn 7, Yên Bái) | 323387 |
| Postal/ZIP Codes in Thôn 8, Yên Bái) | 323388 |