This article lists the countries, carriers and short codesShort codes are special short telephone numbers that can be used to address SMS messages for mobile phones. that Yahoo! supports for text (SMS) messaging

Note: If your mobile carrier and country are not listed below, you will not be able to utilize the SMS feature of Yahoo! Messenger.

Canada:

• FIDO and ROGERS - 92466000
• TELUS - 92466

India: 

• AIRTEL, VODAFONE, IDEA, BSNL, RELIANCE, TATA (Indicom and DoCoMo), LOOP, MTNL (Delhi & Mumbai), UNINOR and MTS - 56767775

Indonesia:

• BAKRIE, EXCELCOM, and MOBILE8 - 9246
• HUTCH3 - 92466
• INDOSAT - 946
• TELKOMSEL - 4246
• SMART - 946

Kuwait:

• WATANIYA - 1411

Malaysia:

• CELCOM - 22235
• DIGI - 32235
• MAXIS - 32235

Pakistan:

• MOBILINK - 171

Philippines:

• GLOBE - 2258
• SUN CELLULAR - 2466
• SMART - 62580

Thailand:

• AIS - 4508040
• DTAC - 1924668

United States:

• ATT, BOOST, NEXTEL (including Sprint), SPRINT (including Sprint Re-sellers), T-MOBILE, US CELLULAR, VERIZON, and VIRGIN - 92466

Vietnam:

• HTMOBILE, MOBIFONE, S-FONE, VIETTEL, and VINAPHONE - 8269
• GTEL - 8269

To learn how to send an SMS message, please read the help article, "Sending text messages with Yahoo! Messenger."

• Sometimes SMS text messages and registration seem functional when using a carrier not listed above.  However, we cannot guarantee availability or functionality of SMS messaging using an unsupported carrier.
• Alltel (US) customers now under Allied Wireless were previously supported by Yahoo! Messenger. We no longer provide support for this carrier.
• If you would like Yahoo! to consider supporting your country or carrier, follow these steps to provide feedback to our Yahoo! Messenger for Mobile team.