| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Akabane, Tochigi (赤羽) | 321-3426 |
| Postal/ZIP Codes in Fumiya, Tochigi (文谷) | 321-3413 |
| Postal/ZIP Codes in Habutsu, Tochigi (羽仏) | 321-3403 |
| Postal/ZIP Codes in Ichihana, Tochigi (市塙) | 321-3423 |
| Postal/ZIP Codes in Ishioroshi, Tochigi (石下) | 321-3422 |
| Postal/ZIP Codes in Kamine, Tochigi (上根) | 321-3424 |
| Postal/ZIP Codes in Kariuta, Tochigi (刈生田) | 321-3411 |
| Postal/ZIP Codes in Miage, Tochigi (見上) | 321-3402 |
| Postal/ZIP Codes in Others, Tochigi (その他) | 321-3400 |
| Postal/ZIP Codes in Oyatsu, Tochigi (大谷津) | 321-3405 |
| Postal/ZIP Codes in Sasaharada, Tochigi (笹原田) | 321-3421 |
| Postal/ZIP Codes in Shioda, Tochigi (塩田) | 321-3406 |
| Postal/ZIP Codes in Shugai, Tochigi (椎谷) | 321-3414 |
| Postal/ZIP Codes in Sugiyama, Tochigi (杉山) | 321-3415 |
| Postal/ZIP Codes in Takeuchi, Tochigi (竹内) | 321-3401 |
| Postal/ZIP Codes in Tanobe, Tochigi (田野辺) | 321-3412 |
| Postal/ZIP Codes in Tatara, Tochigi (多田羅) | 321-3425 |
| Postal/ZIP Codes in Tsuzukiya, Tochigi (続谷) | 321-3404 |