| Locality | Postal Code |
|---|---|
| Aoki (上越市) | 943-0871 |
| Aono (上越市) | 942-0238 |
| Aramachi (上越市) | 943-0862 |
| Araya (上越市) | 943-0187 |
| Arimagawa (上越市) | 949-1702 |
| Asahi (上越市) | 943-0886 |
| Azumacho (上越市) | 942-0003 |
| Bishamonkokubunji (上越市) | 942-0088 |
| Chayagahara (上越市) | 949-1706 |
| Chojamachi (上越市) | 943-0137 |
| Chuo (上越市) | 942-0001 |
| Daidofukuda (上越市) | 943-0172 |
| Daigakumae (上越市) | 943-0810 |
| Dainichi (上越市) | 943-0175 |
| Daizu (上越市) | 942-0083, 943-0802 |
| Denen (上越市) | 942-0046 |
| Doai (上越市) | 943-0866 |
| Doguchi (上越市) | 949-1735 |
| Ebisuhama (上越市) | 942-0025 |
| Fujimaki (上越市) | 943-0817 |
| Fujinoshinden (上越市) | 943-0171 |
| Fujishinden (上越市) | 943-0816 |
| Fujizuka (上越市) | 943-0121 |
| Fukuda (上越市) | 942-0032 |
| Fukuhashi (上越市) | 942-0033 |
| Fukuokashinden (上越市) | 942-0232 |