If you are unable to get through to customer care or prefer face-to-face assistance, visiting a store is the most reliable option.
original government-issued ID used to buy the SIM. Process: The representative will block the lost SIM and issue a new one with the same number. Cost: A small fee (usually ₹25–₹50) is charged for the replacement SIM. 📧 Option 3: Via Email (Non-Urgent) If you cannot make a call, you can send a formal request via email. Note that this may take longer to process than a phone call. Email Address: 121@airtel.com Subject Line: Urgent: Request to Block Lost SIM Card - [Your Mobile Number] Content: Include your full name, mobile number, and the reason for blocking. Attach a scanned copy of your ID for faster verification. 🌐 Option 4: Social Media (X/Twitter) Airtel’s support team is often very responsive on social media. Handle: Tag
Here’s a step-by-step guide to block your Airtel SIM card in case it’s lost, stolen, or you want to deactivate it: how to block my airtel sim card
If you have access to another device, you can use the official app to initiate a block: Open the Airtel Thanks App and log in. Navigate to the or 'Support' section.
The fastest way to block your SIM is by calling Airtel's support line from another phone. You will need to provide identity verification details like your name, date of birth, and last recharge amount. Dial 121 or 198 . If you are unable to get through to
Call 98100 98100 or 1800 103 4444 . From Abroad: Call +91-99100 99100 (toll-free).
If you cannot call, sending an email is a viable alternative, though it may take slightly longer for a response compared to calling. Cost: A small fee (usually ₹25–₹50) is charged
This is the most direct way to deactivate your SIM card. You can reach customer service from any phone:
Dial 98100 98100 or the toll-free number 1800-103-4444 .