How to use Yahoo!® Messenger for SMS
Pricing details
Carrier charges may apply for sending or receiving text messages. Check your wireless plan for details.
View friends list:
(1.1) To view all your contacts, address a text message (SMS) to your carrier code (see table below) and then type get all.Carrier Code Optus 2277 Telstra 019834 Vodafone 126007 
(1.2) A list of all your contacts will appear. Note that online contacts are identified with a *.
(1.3) To send a text message (SMS) to your Yahoo!7 Messenger contacts, press Reply and type: to [Yahoo!ID] [message]. See example, above, for reference. Then press Send.
close X
If your contact's Yahoo!ID is johndoe85 and your message is hello john, your text should read: to johndoe85 hello john.
* Leave a space between to, your contact's Yahoo! ID and message, as illustrated.
Yahoo!7 Messenger for SMS is currently available in the following countries: See countries
Americas: