Connecting With Cell Phones In Japan
If the person you are looking for has a cell phone in Japan, and you know which company his/her cell phone is with, you can check each company's website below and type in the phone number to see if he/she has left a message. The available areas are Aomori, Miyagi, Yamagata and Fukushima prefectures.
For the docomo users:
http://dengon.docomo.ne.jp/top.cgi
For the KDDI (Ezweb) users:
For the Softbank users:
For the Wilcom users:
http://dengon.willcom-inc.com/dengon/Top.do
For the Emobile users:
Another way to find out:
