Meaning of Bulk SMS codes like DZ, DM, LM, DT

What is the meaning of SMS codes like DZ, DM etc. ?

You might received SMS from Way2SMS, Freecharge, your banks with sender name like
DT -Topup, BW-Google, DM- Amazon, VM- Redbus etc.
You ever thought what is the meaning of DT, BM, DM etc. ? 
Here is the answer
SMS which are send by Bulk SMS providers follows certain rules framed by Telecome Regulatory Authority of India (TRAI).

Meaning of Bulk SMS codes like DZ, DM, LM, DT

According to TRAI rules, 
  • The name of the sender should be restricted to 6 characters. (E.g DT - Topup, DZ - WAYSMS
  • The first two character prefix have specific meaning. 
    • First character represents the service provider
Operator Code
Aircel, Dishnet WirelessD
BPL Mobile/Loop TelecomL
Idea Cellular I
Reliance Communications R
Reliance Telecom E
Tata Teleservices T
Unitech U
Vodafone V
    • Second character represents the location from which the SMS is originated. 
Operator Code
Andhra PradeshA
Himachal PradeshI
Jammu & KashmirJ
Kerala L
Kolkata K
Madhya Pradesh Y
Maharashtra Z
Mumbai M
North East N
Orissa O
Punjab P
Rajasthan R
Tamilnadu T
UP-East E
UP-West W
West Bengal V
So hereafter if you receive message with address DT - Topup then understand that the message is send by operator Aircel & T represents message originated from Tamilnadu.
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About Vicky AV

I am Vicky AV, Engineer, Pro Blogger & Twitterati.
I created this blog to post some interesting technical stuff that I feel everyone should know. I hope you find these interesting too. Follow me on Twitter
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