| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Hama, Chiba (浜) | 299-5107 |
| Postal/ZIP Codes in Iwawada, Chiba (岩和田) | 299-5105 |
| Postal/ZIP Codes in Jikkoku, Chiba (実谷) | 299-5114 |
| Postal/ZIP Codes in Kamifuse, Chiba (上布施) | 299-5111 |
| Postal/ZIP Codes in Kubo, Chiba (久保) | 299-5102 |
| Postal/ZIP Codes in Nanamoto, Chiba (七本) | 299-5113 |
| Postal/ZIP Codes in Onjukudai, Chiba (御宿台) | 299-5112 |
| Postal/ZIP Codes in Others, Chiba (その他) | 299-5100 |
| Postal/ZIP Codes in Rokkemmachi, Chiba (六軒町) | 299-5104 |
| Postal/ZIP Codes in Shimmachi, Chiba (新町) | 299-5103 |
| Postal/ZIP Codes in Suka, Chiba (須賀) | 299-5106 |
| Postal/ZIP Codes in Takayamada, Chiba (高山田) | 299-5101 |
| Postal Codes in Isumi | |
|---|---|
| Postal/ZIP Codes in Onjuku (御宿町) | |
| Postal/ZIP Codes in Otaki (大多喜町) | |