| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Shima, Chiba (島) | 289-2243 |
| Postal/ZIP Codes in Somei, Chiba (染井) | 289-2242 |
| Postal/ZIP Codes in Takatsuhara, Chiba (高津原) | 289-2304 |
| Postal/ZIP Codes in Tako, Chiba (多古) | 289-2241 |
| Postal/ZIP Codes in Terasaku, Chiba (寺作) | 289-2316 |
| Postal/ZIP Codes in Toki, Chiba (東輝) | 289-2254 |
| Postal/ZIP Codes in Toyomi, Chiba (十余三) | 289-2306 |
| Postal/ZIP Codes in Tsugiura, Chiba (次浦) | 289-2313 |
| Postal/ZIP Codes in Ushino, Chiba (牛尾) | 289-2245 |
| Postal Codes in Katori | |
|---|---|
| Postal/ZIP Codes in Kozaki (神崎町) | |
| Postal/ZIP Codes in Tako (多古町) | |
| Postal/ZIP Codes in Tonosho (東庄町) | |