▸American Red Cross — US mobile phone users can text REDCROSS to 90999 to add $10 automatically to your phone bill. Or visit redcross.org or call 1-800-RED-CROSS.
▸International Medical Corps — Sending relief teams and supplies to the area. Call 1-800-481-4462, or visit internationalmedicalcorps.org.
▸Save the Children — The relief effort providing food, medical care, and education is accepting donations through mobile phones by texting JAPAN to 20222 to donate $10. People can also call 1-800-728-3843 during business hours or visit www.savethechildren.org/japanquake.
▸Global Giving — The nonprofit, which works through grass-roots efforts, says Americans can text JAPAN to 50555 to give $10 through their phone bill. Or visit www.globalgiving.org.
▸Interaction — The group is the largest alliance of US-based international nongovernmental organizations and lists many ways to help on its site, www.interaction.org.
▸Network for Good — The aggregator of charities has a list of programs and ways to donate, at www.networkforgood.org.