| Postal Code | Area | |
|---|---|---|
| 940-0205 | Sakaecho (栄町) | View |
| 940-0211 | Kotsunagi (小貫) | View |
| 940-0212 | Tsuchigaya (土ケ谷) | View |
| 940-0213 | Yamadacho (栃尾山田町) | View |
| 940-0214 | Yamada (栃尾山田) | View |
| 940-0215 | Tochiomachi (栃尾町) | View |
| 940-0216 | Aramachi (栃尾新町) | View |
| 940-0217 | Omachi (栃尾大町) | View |
| 940-0218 | Omotemachi (栃尾表町) | View |
| 940-0221 | Kanemachi (金町) | View |
| 940-0222 | Chuokoen (中央公園) | View |
| 940-0223 | Honcho (栃尾本町) | View |
| 940-0224 | Azumacho (東町) | View |
| 940-0225 | Nakagocho (仲子町) | View |
| 940-0226 | Takinoshitamachi (滝の下町) | View |
| 940-0227 | Yachi (谷内) | View |
| 940-0231 | Asahicho (栃尾旭町) | View |
| 940-0232 | Amagashima (天下島) | View |
| 940-0233 | Miyazawa (栃尾宮沢) | View |
| 940-0234 | Izumi (栃尾泉) | View |