If your Airtel SIM card is lost or stolen, blocking it immediately is critical to prevent identity theft and financial fraud.

Dial *100# , go to 'My Account', and select 'Block Stolen SIM'. 2. Digital Methods (Online)

Once connected to an executive, request to block your lost SIM. You will need to provide verification details such as: Registered name and address. Date of birth. Last recharge amount or FNF (Friends and Family) numbers. 2. Block Online via Airtel Thanks App

Yes. Blocking the SIM only stops the network services on the lost chip. You can visit an Airtel store with your ID proof to get a new SIM card issued with the same mobile number.

This is the most direct way to deactivate your SIM card. You can reach customer service from any phone:

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