| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Shimadadai (八千代市) | 276-0004 |
| Postal/ZIP Codes in Shimoichiba (八千代市) | 276-0026 |
| Postal/ZIP Codes in Shimokoya (八千代市) | 276-0021 |
| Postal/ZIP Codes in Sonohashi (八千代市) | 276-0007 |
| Postal/ZIP Codes in Takazu (八千代市) | 276-0036, 276-0035 |
| Postal/ZIP Codes in Takazuhigashi (八千代市) | 276-0037 |
| Postal/ZIP Codes in Yachiyodai Higashi (八千代市) | 276-0032 |
| Postal/ZIP Codes in Yachiyodai Kita (八千代市) | 276-0031 |
| Postal/ZIP Codes in Yachiyodai Minami (八千代市) | 276-0033 |
| Postal/ZIP Codes in Yachiyodai Nishi (八千代市) | 276-0034 |
| Postal/ZIP Codes in Yonamoto (八千代市) | 276-0014, 276-0015 |
| Postal/ZIP Codes in Yoshihashi (八千代市) | 276-0047 |
| Postal/ZIP Codes in Yurinokidai (八千代市) | 276-0042 |
| Postal/ZIP Codes in Midorigaokanishi (八千代市) | 276-0040 |