How to Activate DND in Airtel

How to activate DND Service / Block Unwanted Calls and SMS in Airtel?

Block Unwanted Calls/SMS in Airtel

Airtel has around 357 million customers as of March 2016. In order to benefit its consumer, airtel DND (Do not disturb) service helps you to block telemarketing / unwanted calls and SMS. This tutorial will help you to learn how to activate DND service in airtel.

You can register for the preference via two methods :
→Send an SMS to 1909
→Dial 1909

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