How to write NIIYAMA Yamagata-shi Yamagata in Japanese characters

How to write NIIYAMA Yamagata-shi Yamagata in Japanese characters. The data come from Japan Post.

zipcode and address

NIIYAMA（Inseart numbers and so on before the address）
Yamagata-shi, Yamagata
990-0015 Japan

Japanese Kanji

You can click/tap to copy Japanese Expression partially.
山形県山形市新山
9900015

Japanese Hiragana

やまがたけんやまがたしにいやま

Japanese Katakana

ヤマガタケンヤマガタシニイヤマ

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