Yes, even the small care. Cricket has jumped aboard the ever-growing bandwagon with Verizon, Sprint, MetroPCS, T-Mobile, and AT&T. They will also being offering free calls to Japan from now until March 29th, however unlike the other carriers listed they will not be offering free texts. While this may seem like an odd announcement considering Cricket prides itself on being totally unlimited, international calls still cost extra.
Looking forward to more support for those that were affected by this tragedy. Hopefully more carriers big or small jump aboard and support communication in the aftermath of the tsunami.
Source: Phone Scoop