How to write KOYAMA Tsukuba-shi Ibaraki in Japanese characters

How to write KOYAMA Tsukuba-shi Ibaraki in Japanese characters. The data come from Japan Post.

zipcode and address

KOYAMA（Inseart numbers and so on before the address）
Tsukuba-shi, Ibaraki
300-1276 Japan

Japanese Kanji

You can click/tap to copy Japanese Expression partially.
茨城県つくば市小山
3001276

Japanese Hiragana

いばらきけんつくばしこやま

Japanese Katakana

イバラキケンツクバシコヤマ

Map