At taxiautofare.com, you get a list of Japan metro contacts where you can get the details like phone number, address, and email for any metro service. Along with the Japan metro phone number, you get the fare cards for different age groups like an adult, child, student, and senior citizen and the information about daily, weekly and monthly passes for Japan metro services. It also gives you a calculator which can estimate how much you will be spending on a metro before you actually travel to Japan!