How to write OMMA Koshigaya-shi Saitama in Japanese characters

How to write OMMA Koshigaya-shi Saitama in Japanese characters. The data come from Japan Post.

zipcode and address

OMMA（Inseart numbers and so on before the address）
Koshigaya-shi, Saitama
343-0033 Japan

Japanese Kanji

You can click/tap to copy Japanese Expression partially.
埼玉県越谷市恩間
3430033

Japanese Hiragana

さいたまけんこしがやしおんま

Japanese Katakana

サイタマケンコシガヤシオンマ

Map