Tochigi
| Ashikaga, Tochigi | 0284 |
| Aso District, Tochigi | 0283 |
| Haga District, Tochigi | 028 |
| Haga District, Tochigi | 0285 |
| Imaichi, Tochigi | 0288 |
| Kamitsuga District, Tochigi | 0282 |
| Kamitsuga District, Tochigi | 0288 |
| Kamitsuga District, Tochigi | 0289 |
| Kanuma, Tochigi | 0289 |
| Kawachi District, Tochigi | 028 |
| Kawachi District, Tochigi | 0285 |
| Kuroiso, Tochigi | 0287 |
| Mooka, Tochigi | 0285 |
| Nasu District, Tochigi | 0287 |
| Nikkō, Tochigi | 0288 |
| Ōtawara, Tochigi | 0287 |
| Oyama, Tochigi | 0280 |
| Oyama, Tochigi | 0282 |
| Oyama, Tochigi | 0285 |
| Oyama, Tochigi | 0296 |
| Sano, Tochigi | 0283 |
| Shimotsuga District, Tochigi | 0280 |
| Shimotsuga District, Tochigi | 0282 |
| Shimotsuga District, Tochigi | 0285 |
| Shioya District, Tochigi | 028 |
| Shioya District, Tochigi | 0287 |
| Shioya District, Tochigi | 0288 |
| Tochigi, Tochigi | 0282 |
| Utsunomiya, Tochigi | 028 |
| Yaita, Tochigi | 0287 |
Read more about this topic: List Of Dialing Codes In Japan