I always wondered what those two letters added to the sender name of a bulk/junk SMS refers to, like TD-ICICIBANK, BD-FORTUNE,
etc. These days, the junk SMS has become a pain and I get unsolicited
spam SMSes from Vastu consultant, Astrologer, Real Estate agents, LIC
agents, which I have not opted to receive. Today, an article in Times
of India says that these junk SMSes have reached an astounding number of
100 million a day sent
throughout the country. As the SMS cost has become so cheap, it has
become a low-cost marketing trick to reach the targeted customers.
As per TRAI, every bulk SMS must have 2 letters as initials: the 1st letter stands for the service provider sending SMS and the 2nd for location eg, TD is Tata Delhi, BD is BSNL Delhi, etc.
This is the complete chart:
So, now you can find out the origination of bulk SMS using the above chart. If you are getting huge number of bulk SMS daily, register for National Do Not Call Registry and see if it can be of help.
| Service Provider | Code |
| Aircel | D |
| Airtel | A |
| BSNL | B |
| BPL Mobile | L |
| Loop Telecom | L |
| Idea Cellular | I |
| MTNL | M |
| Reliance Comm | R |
| Reliance Telecom | E |
| Spice Comm | P |
| Tata Teleservices | T |
| Vodafone | V |
So, now you can find out the origination of bulk SMS using the above chart. If you are getting huge number of bulk SMS daily, register for National Do Not Call Registry and see if it can be of help.
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