How to write NISHIJONAN Oyama-shi Tochigi in Japanese characters

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

zipcode and address

NISHIJONAN（Inseart numbers and so on before the address）
Oyama-shi, Tochigi
323-0820 Japan

Japanese Kanji

You can click/tap to copy Japanese Expression partially.
栃木県小山市西城南
3230820

Japanese Hiragana

とちぎけんおやましにしじょうなん

Japanese Katakana

トチギケンオヤマシニシジョウナン

Map