We all receive SMSes from various services we use, like banks, mobile phone vendors etc. You must have noticed that SMS  from these institutions always have a specific format in place of the sender name. Its something like this, XY-ServiceProvider

For instance SMS from HDFC bank, has the sender name as AD-HDFCBANK

Please enter the  SMS sender code to trace eg. TM-ICICIBNK,IA-CHAT