The city's name where your friend live changed from "bisaishi" to "itimiyashi". I found it on wikipedia. English wikipedia site that explains "bisaishi" has not been uploaded.
(people use this site in order to find zipcode.)
http://www.post-code.jp/pc/html/23218.html
タ
* 玉野(tamano) タマノ(tamano)
廃止(haishi)(to stop using an old name) 〒494-0013 愛知県(aichiken)尾西市(bisaishi)玉野(tamano)
↓
運用(unyou)(to start to use a new name) 〒494-0013 愛知県(aichiken)一宮市(ichimiyashi)玉野(tamano)
)
I hope this helps you.
[Edit](I'm sorry. I edited my post in order to avoid misunderstanding.)