Yahoo! SMS Terms of Service

You will get SMS messages from Yahoo! in response to your one-time request, or in response to a subscription (like “account notifications,” where you will receive an SMS each time that there are modifications to your account details).  Message & data rates may apply.
  
Yahoo!’s mobile privacy policy at http://info.yahoo.com/privacy/us/yahoo/mobiledevices/details.html and privacy policy at http://info.yahoo.com/privacy/us/yahoo/ govern Yahoo!’s use of your personal data.  

Yahoo!’s terms and conditions at http://info.yahoo.com/legal/us/yahoo/utos/utos-173.html also apply.

For more information, text HELP to 92500.  To stop receiving account notifications, reply STOP to 92500.

Yahoo! supports this SMS service on the following carriers:

Alltel, AT&T, Boost, Cellular One / Dobson, Cincinnati Bell, Nextel, Sprint, TMO, US Cellular, Verizon Wireless, Virgin, ACS Wireless, Appalachian Wireless, Bluegrass Cellular, Centennial Wireless, GCI Communications, Illinois Valley Cellular, Immix Wireless, Inland Cellular, Nex-Tech Wireless, Revol Wireless, Thumb Cellular, Unicel, United Wireless, West Central Wireless, Cellcom, Cellular South, nTelos Wireless.