Earlier we were receiving SMSs from banks, insurance companies or any other service provider from 10 digit mobile number but off-late we are receiving SMSs indicating some codes like TM-ICICIBNK, LM-Fortis etc. Do you know what all they stand for?
In order to protect consumer interest receiving unsolicited commercial SMSs, Telecom Regulatory Authority of India (TRAI) has mandated all mobile operators in India to prefix an identification tag before all application-to-peer (A2P) commercial bulk SMSs which would reveal the name of the service provider along with location where the SMS originated along with the name of the company sending the SMS.
The alphanumeric identifier would be of the form XY-NAME, where X stands for code allocated for the service provider while Y stands for the service area where the SMS originated and NAME is the name of the company sending the SMS.
Take an example of TM-ICICIBNK, this code means that SMS is sent through Tata Teleservices from Mumbai by ICICI Bank.
So from now onwards whenever you receive the SMS of the form XY-NAME, you can easily decode it and know what’s the service provider, location and company name sending the SMS.
The standard prefixed finalized by TRAI are listed below –
Service Provider Code Listing
| Service Provider | Code |
| Bharti Airtel | A |
| BSNL | B |
| Datacom Solutions | C |
| Aircel, Dishnet Wireless | D |
| Reliance Telecom | E |
| HFCL Infotel | H |
| Idea Cellular | I |
| BPL Mobile/Loop Telecom | L |
| MTNL | M |
| Spice Telecom | P |
| Reliance Communications | R |
| S tel | S |
| Tata Teleservices | T |
| Unitech Group | U |
| Vodafone Group | V |
| Swan Telecom | W |
| Shyam Telecom | Y |
Service Area Code Listing
| Service Area | Code |
| Andhra Pradesh | A |
| Bihar | B |
| Delhi | D |
| UP-East | E |
| Gujarat | G |
| Haryana | H |
| Himachal Pradesh | I |
| Jammu & Kashmir | J |
| Kolkata | K |
| Kerala | L |
| Mumbai | M |
| North East | N |
| Orissa | O |
| Punjab | P |
| Rajasthan | R |
| Tamil Nadu | T |
| West Bengal | V |
| UP-West | W |
| Karnataka | X |
| Madhya Pradesh | Y |
| Maharashtra | Z |
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