| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Thôn 1, Yên Bái) | 323401 |
| Postal/ZIP Codes in Thôn 10, Yên Bái) | 323410 |
| Postal/ZIP Codes in Thôn 11, Yên Bái) | 323411 |
| Postal/ZIP Codes in Thôn 12, Yên Bái) | 323412 |
| Postal/ZIP Codes in Thôn 2, Yên Bái) | 323402 |
| Postal/ZIP Codes in Thôn 3, Yên Bái) | 323403 |
| Postal/ZIP Codes in Thôn 4, Yên Bái) | 323404 |
| Postal/ZIP Codes in Thôn 5, Yên Bái) | 323405 |
| Postal/ZIP Codes in Thôn 6, Yên Bái) | 323406 |
| Postal/ZIP Codes in Thôn 7, Yên Bái) | 323407 |
| Postal/ZIP Codes in Thôn 8, Yên Bái) | 323408 |
| Postal/ZIP Codes in Thôn 9, Yên Bái) | 323409 |