Sprint, AT&T, Verizon and others offer free phone calls to Japan

These phone companies are currently offering free calls from the United States to Japan to help get in touch with friends and family:

As many phone circuits are pretty heavily congested in Japan, try and keep calls as short as possible, or use online tools like Facebook or Twitter instead.

Know of any other phone companies offering free calls? Leave a comment below!

[Photo: AP Photo/David Guttenfelder]