How to write DOTO Oyama-shi Tochigi in Japanese characters

How to write DOTO Oyama-shi Tochigi in Japanese characters. The data come from Japan Post.

zipcode and address

DOTO（Inseart numbers and so on before the address）
Oyama-shi, Tochigi
323-0812 Japan

Japanese Kanji

You can click/tap to copy Japanese Expression partially.
栃木県小山市土塔
3230812

Japanese Hiragana

とちぎけんおやましどとう

Japanese Katakana

トチギケンオヤマシドトウ

Map