Ultimate Guide (2025): What G, S, T, P, Q, X Mean in SMS Sender Codes & How to Stay Safe
Introduction: Why You Should Know About SMS Sender Codes
Every day, we receive dozens of SMS messages, but have you ever wondered what codes like VM-ICICIB-G or VK-PAYTM-T mean? This guide explains it all so you can stay informed and protected.
What Is an SMS Sender Code in India?
An SMS sender code is a unique alphanumeric header assigned to businesses and organizations. It follows the format: XY-ENTITY-TYPE (like VM-ICICIB-G), where XY is the operator-circle code, ENTITY is the brand, and TYPE is a letter indicating the message category.
Official Source: TRAI
Detailed Meaning of G, S, T, P, Q, X
- G = Government Messages: Tax notices, public scheme updates (e.g., AD-INCOMEG). Official sources: Income Tax Portal, UIDAI.
- S = Service Messages: Banking updates, delivery alerts (e.g., VM-AXIS-S).
- T = Transactional Messages: OTPs, payment confirmations (e.g., VK-PAYTM-T).
- P = Promotional Messages: Marketing offers (e.g., DM-BIGBK-P).
- Q = Enquiry Messages: Responses to queries (e.g., AD-HELP-Q).
- X = Hybrid or Custom: System-generated mixed messages (e.g., VM-INFO-X).
Why Are These Codes Important?
Understanding these codes helps you spot official vs. spam messages, avoid phishing scams, and report fraud. You can make informed decisions before clicking links or sharing sensitive info.
Report Fraud: Indian Cybercrime Portal
When Are Promotional Messages Allowed?
As per TRAI rules, promotional SMS are allowed only between 10 AM to 9 PM and must include opt-out instructions.
Official Source: TRAI
How to Protect Yourself From Fake SMS
- Check the sender code carefully.
- Never click suspicious links.
- Do not share OTPs or account details.
- Register on DND to reduce spam.
- Report spam to 1909 or via your telecom operator’s app.