Ma Bell is giving postpaid wireless customers free international calls and text messages to Japan, while landline users are being credited 60 minutes in free call time for calls made from the U.S. to Japan until March 31. AT&T is also donating 10,000 prepaid calling cards to the U.S. military for distribution in Japan and granting free service to the 24-hour Japanese news channel, TV Japan, for all U-verse TV subscribers.