How to write OI OTSU Aki-shi Kochi in Japanese characters

How to write OI OTSU Aki-shi Kochi in Japanese characters. The data come from Japan Post.

zipcode and address

OI OTSU（Inseart numbers and so on before the address）
Aki-shi, Kochi
784-0275 Japan

Japanese Kanji

You can click/tap to copy Japanese Expression partially.
高知県安芸市大井乙
7840275

Japanese Hiragana

こうちけんあきしおおいおつ

Japanese Katakana

コウチケンアキシオオイオツ

Map