If you would like to donate to the relief organizations in Japan, here are a few of the charities text codes to donate to the relief effort:

Text “REDCROSS to “90999” to donate $10 on behalf of the American Red Cross.

Text “TSUNAMI to “50555” to donate $10 on behalf of Convoy of Hope Inc.

Text “WAVE” to “50555” to donate $10 on behalf of the World Relief Corp. of National Association of Evangelicals.

Text “JAPAN” or “QUAKE” to “80888” to donate $10 on behalf of The Salvation Army. 

Sprint is waiving and/or crediting fees for wireless calls and text messages to and from Japan for customers who are on Sprint’s networks – retroactive from March 11 and continuing to April 10.
 
In addition, Sprint is continuing its waiver of standard text-messaging fees for various Japan disaster-relief short codes and mobile-donation campaigns from March 11 to June 30.