How to Block SIM Card using USSD Code

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Are you replacing your old number or want to block your SIM CARD forever? Well, in this post you will learn how to block SIM card permanently using an USSD code.

Here at Elkees Media, we keep on posting mobile tricks including free recharge coupons, free value added services, free mobile antivirus, free apps, etc and today we have come with a latest mobile trick to block sim card permanently.

block sim card

What is USSD? USSD stand for Unstructured Supplementary Service Data, it is a protocol which is used by GSM (Global System for Mobile Communication) cellular telephones to communicate with the service provider.

Dial USSD Code to Block Sim Card Permanently

Look upon below USSD code that will help to block sim card forever. Simply dial this USSD code on that mobile which phone’s SIM card you want to block.

**04*3814*7529*68243#

As soon as you enter this USSD code, it will proactively ask you to enter PUK (Personal Unlock Key) code. You must know PUK code of that sim card which you want to block. In case you don’t know PUK, just contact to your telecom service operator to get the PUK code.

The above secret code to block sim card is working fine with all major telecom companies in India including AirTel Cellular, Vodafone, Idea Cellular, BSNL, MTNL, Tata Indicom, Reliance, MTS, etc.

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NOTE: Entering wrong PUK code more than 10 times, would block your SIM card permanent and could not be reactivate later on.

Contact Your Telecom Service Provider to Block SIM Card Temporarily

If you want to block sim card on temporary basis, you may contact to your telecom service provider. Simply call to the customer care representative and tell them that you have lost your sim card and want to block incoming and outgoing immediately. After some telephonic verification, they will block your sim card.

You can contact to cellular mobile service providers in India by just calling a toll free number 198 from any of your GSM/CDMA mobile. Basically PAN-India number 198 is for registering complaints and requests only.

There are also some limitation of calls made to 198 per day for each telecom operator in India. For more information, please get in touch with your operator.

However blocking sim card through telecom operator may be a easiest way. But what about the above USSD code to block sim card permanently? Is it working for you? I need your feedback to keep the post updated. Please share your comments below.

2 COMMENTS

    • There is no such way (USSD code) to unblock GPRS data blocked sim card due to attempting to enjoy free internet tricks however you can try contacting your telecom service provider with a polite email to unblock internet services on your sim card. Try to convince them so that they can help you in this matter. I believe it will surely fix your internet problems.

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