| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Niibo Aoki (佐渡市) | 952-0102 |
| Postal/ZIP Codes in Niibo Funashimo (佐渡市) | 952-0112 |
| Postal/ZIP Codes in Niibo Inai (佐渡市) | 952-0107 |
| Postal/ZIP Codes in Niibo Katagami (佐渡市) | 952-0103 |
| Postal/ZIP Codes in Niibo Kitagata (佐渡市) | 952-0115 |
| Postal/ZIP Codes in Niibo Minagawa (佐渡市) | 952-0113 |
| Postal/ZIP Codes in Niibo Nagaune (佐渡市) | 952-0101 |
| Postal/ZIP Codes in Niibo Ono (佐渡市) | 952-0109 |
| Postal/ZIP Codes in Niibo Shomyoji (佐渡市) | 952-0105 |
| Postal/ZIP Codes in Niibo Takei (佐渡市) | 952-0111 |
| Postal/ZIP Codes in Niibo Tanosawa (佐渡市) | 952-0104 |
| Postal/ZIP Codes in Niibo Uryuya (佐渡市) | 952-0106 |
| Postal/ZIP Codes in Niku (佐渡市) | 952-1308 |
| Postal/ZIP Codes in Nishimikawa (佐渡市) | 952-0434 |
| Postal/ZIP Codes in Nora (佐渡市) | 952-3544 |
| Postal/ZIP Codes in Nyugawa (佐渡市) | 952-2215 |
| Postal/ZIP Codes in Ogawa (佐渡市) | 952-2136 |
| Postal/ZIP Codes in Ogi (佐渡市) | 952-0605 |