[Mikey]

hi guys
i'm writing a letter to my host sister but i'm having trouble translating her name and address in Kanji so i can put on the envelope. can somebody please help me?

her name is

Yukari Abe

and her address is:

2-17-7 Shinkoji, Machida-city, Tokyo, Japan
〒195-0057

and also what order am i supposed to but the address in?
am i supposed to but it all in Kanji or is it ok if i but it in hiragana?