important USSD codes and SMS commands for Airtel operators

• Dial *555# : Daily and monthly sms packs
• Dial *222# : Special five offers
• Dial *141# : Airtel Gift services
• Dial *325# : Facebook fontwish service
• Dial *121# : My Airtel My offer
• Dial *123*7# : To check Airtel-to-Airtel special balance
• Dial *123*10#: To check Airtel 2G data balance
• Dial *123*11#: To check Airtel 3G data balance
• Dial *125*5# : To check daily SMS count
• Dial *123# : To check Main Balance and Validity
• Dial *567# : For Mobile Office Activation and De-Activation
• Dial 121 : For Customer Care
• Dial 198 : For Complaints
• Dial 123 : To Recharge your account
• Dial *566# : Musstbuy service
• Dial 1909 : To Activate or De-Activate DND service
• Dial *515# : Twitter services

Airtel SMS Commands

• SMS MRP FULLTT to 51619 : For full talk-time offers.
• SMS MRP TRF to 51619 : For all available tariff offers
• SMS MRP SMS to 51619 : For available SMS Pack offers
• SMS MRP GPRS to 51619 : For available GPRS Packs
• SMS 3G to 121 : For Activating 3G or Change 3G Data plan
• SMS START to 121/1210 : To start any service
• SMS STOP to 121/1210 : To stop any service
• SMS FUN to 54321 : To activate Airtel live
• SMS LIVE to 52567: To receive Airtel Live Settings