Japan - cheap calling cards and dial around

If you call international consider  Nobelcom recent rate reduction promotion!

Phone Cards: Cloncom, SpeedyPin
SpeedyPin Phone CardsCall Japan using SpeedyPin calling cards.  Check for international rates.
Dial Around: Tel3
Dial Around offers international calling card rates with a convenience of dialing without a pin.
Tel3Advantage Long DistanceNobelcom offers low rates, high completion rates, and online access to call records. This is a pre-paid service.  Check low international rates. Get 473 free US minutes (only for first time users. )