| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ao, Chiba (粟生) | 283-0105 |
| Postal/ZIP Codes in Araoi, Chiba (荒生) | 283-0107 |
| Postal/ZIP Codes in Fudodo, Chiba (不動堂) | 283-0113 |
| Postal/ZIP Codes in Fujishita, Chiba (藤下) | 283-0112 |
| Postal/ZIP Codes in Hosoyashiki, Chiba (細屋敷) | 283-0111 |
| Postal/ZIP Codes in Katakai, Chiba (片貝) | 283-0104 |
| Postal/ZIP Codes in Koseki, Chiba (小関) | 283-0102 |
| Postal/ZIP Codes in Magame, Chiba (真亀) | 283-0114 |
| Postal/ZIP Codes in Magameshinden, Chiba (真亀新田) | 283-0115 |
| Postal/ZIP Codes in Nishino, Chiba (西野) | 283-0116 |
| Postal/ZIP Codes in Others, Chiba (その他) | 283-0100 |
| Postal/ZIP Codes in Sakuda, Chiba (作田) | 283-0101 |
| Postal/ZIP Codes in Shimokaizuka, Chiba (下貝塚) | 283-0117 |
| Postal/ZIP Codes in Shuku, Chiba (宿) | 283-0106 |
| Postal/ZIP Codes in Tanakaaraoi, Chiba (田中荒生) | 283-0103 |