Originally Posted by
Chiangi
That 800 number works in Japan with mobile carriers. Softbank (formerly Vodafone) doesn't give you access to that number but you can reroute calls through another IDD prefix number.
As same as Softbank, a mobile operator NTTdocomo's own international service (prefix 009130) does not provide 800 toll free international numbers.
I use KDDI(prefix 001) from my NTTdocomo mobile phone to access +800-2747-5500 in Japan.