If you have friends or family in Japan that you are trying to reach at this devastating time, there are now several phone carriers that are offering free calls to Japan.
Verizon: is waiving all call and text messaging fees for both land lines and mobile lines to Japan March 11-April 10, 2011. If you have already been charges for some of those dates, you will receive a credit on a future bill.
Cox Communications: has stated that all calls sent to Japan via Cox Digital Telephone and Cox Wireless will be free March 11-March 31, 2011
Sprint: is waiving all call and text messaging fees to Japan March 11-April 10, 2011