How to write OKIWATASHI Sammu-shi Chiba in Japanese characters

How to write OKIWATASHI Sammu-shi Chiba in Japanese characters. The data come from Japan Post.

zipcode and address

OKIWATASHI（Inseart numbers and so on before the address）
Sammu-shi, Chiba
289-1225 Japan

Japanese Kanji

You can click/tap to copy Japanese Expression partially.
千葉県山武市沖渡
2891225

Japanese Hiragana

ちばけんさんむしおきわたし

Japanese Katakana

チバケンサンムシオキワタシ

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