| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Yako, Chiba (矢口) | 270-1502 |
| Postal/ZIP Codes in Yakoshimmei, Chiba (矢口神明) | 270-1501 |
| Postal/ZIP Codes in Yotsuya, Chiba (四ッ谷) | 270-1542 |
| Postal Codes in Imba | |
|---|---|
| Postal/ZIP Codes in Sakae (栄町) | |
| Postal/ZIP Codes in Shisui (酒々井町) | |