| Locality | Postal Code |
|---|---|
| Itakuraku Tateno (上越市) | 944-0114 |
| Itakuraku Taya (上越市) | 944-0105 |
| Itakuraku Togari (上越市) | 944-0109 |
| Itakuraku Yamabe (上越市) | 944-0121 |
| Itakuraku Yamagoshi (上越市) | 944-0136 |
| Itakuraku Yokocho (上越市) | 944-0148 |
| Itakuraku Yonemasu (上越市) | 944-0135 |
| Itakuraku Yoshimasu (上越市) | 944-0137 |
| Iwaki (上越市) | 943-0814 |
| Jitogata (上越市) | 943-0875 |
| Jounji (上越市) | 943-0124 |
| Juninoki (上越市) | 943-0416 |
| Kagacho (上越市) | 942-0086 |
| Kajimembun (上越市) | 949-1712 |
| Kakizakiku Amidase (上越市) | 949-3236 |
| Kakizakiku Asahidaira (上越市) | 949-3363 |
| Kakizakiku Bashomen (上越市) | 949-3214 |
| Kakizakiku Beisanji (上越市) | 949-3373 |
| Kakizakiku Ejimashinden (上越市) | 949-3253 |
| Kakizakiku Gankai (上越市) | 949-3223 |
| Kakizakiku Gejo (上越市) | 949-3251 |
| Kakizakiku Gyoho (上越市) | 949-3245 |
| Kakizakiku Higashiyachi (上越市) | 949-3224 |
| Kakizakiku Higashiyokoyama (上越市) | 949-3364 |
| Kakizakiku Hirasawa (上越市) | 949-3379 |
| Kakizakiku Hoonji (上越市) | 949-3211 |