Block BSNL SIM CARD Online & Offline | Deactivate Your SIM

Block BSNL SIM Card

If you’re stumbling on this article then you’re a BSNL user who has recently lost or misplaced their SIM Card and is looking forward to solutions for blocking it. Well, we have got you covered. This article is about three different methods to block BSNL SIM Card apart from supplementary information on how one can deactivate it. Blocking your SIM Card stops calling, texting, and data services and safeguards your information from illegal personalities in the future. Also, as SIM Card is an important medium of connectivity you can get a replacement SIM after you receive the confirmation message from BSNL regarding your blocked SIM.

Block BSNL SIM CARD Online & Offline | Deactivate Your SIM

3 Distinct Ways To Block BSNL SIM CARD {Online & Offline}

Call BSNL Customer Care Executive: Entitled as one of the easiest methods and gets the BSNL SIM Card blocked in few minutes. Here’s how you can reach out to customer care for help regarding this issue.

  • Step 1: Dial 1503 from a registered BSNL number and proceed as per the instructions given by IVR to connect with the customer care executive. In case, you’re calling from a different telecom number then dial 1800-180-1503 and follow the prompts given by IVR
  • Step 2: Confirm your identity by providing your full name, date of birth and address
  • Step 3: Upon verification, state the reason to block your BSNL SIM Card and request them to block it immediately. Within a few hours, your BSNL SIM Card will be blocked and won’t be accessible anymore

Send Email To BSNL Official Email Address: Though you cannot block your BSNL SIM through their official website, there’s a way to reach BSNL authorities over email and get your SIM Card blocked for a certain period. Below is the step-by-step guide on how you need to email them.

  • Step 1: Compose a new email and fill in your email address in the sender field
  • Step 2: Enter [email protected] in the recipient section
  • Step 3: Write ‘BSNL SIM BLOCK REQUEST’ in the subject
  • Step 4: Write a proper email requesting BSNL to block your SIM Card and also mention personal details ,i.e, Full Name, DOB, Full Address & Previous Recharge
  • Step 5: Go to Attachments and add a PDF of all the documents necessary for identification
  • Step 6: Send the email and wait for the update

The BSNL Team will reply to your email within a few hours and they might also connect with you over call for additional confirmation to block your SIM.

Also Read: BSNL Message Center Number Of States {USSD Code, Default Settings}

Reach Out To Local BSNL Customer Store: The most convenient and easiest way to block your BSNL SIM Card if it’s lost or stolen. BSNL Customer Care Store Executives are extremely helpful and will assist you throughout to block or deactivate your BSNL SIM Card. Read below how you can reach out to them and disable it.

  • Step 1: Locate the nearest BSNL store through Google Maps or ask people in your locality
  • Step 2: Upon reaching the store, explain your issue to them to block your BSNL number
  • Step 3: A Customer Application Form (CAF) will be provided to you. Fill that form with details like name, dob, address, alternate mobile number, etc
  • Step 4: Provide your Aadhar card and address proof for KYC verification, make payment of Rs 20 and wait for a while

The store executive will update you once your BSNL SIM Card is disabled for the time being. You will also receive a confirmation message once your number is blocked.

Note: All these platforms are applicable for both Prepaid and Postpaid BSNL users and there’s no hidden charge to block BSNL SIM Card.

Ask Store Executive For BSNL SIM Card Replacement

You can ask for a new replacement BSNL SIM once BSNL has sent you a confirmation message stating that they have blocked your BSNL SIM Card. You might get the duplicate SIM instantly or you would need to wait for 2 days. Here’s how you can get another BSNL SIM card on the same number.

  • Step 1: Go to the BSNL Store located nearby
  • Step 2: Share the reason why you blocked your BSNL SIM with the store executive
  • Step 3: Show them the confirmation message and mail you received after your SIM Card was blocked
  • Step 4: Apply for BSNL SIM replacement by filling the Customer Application Form
  • Step 5: Share the identity and address proof for verification and make Rs 20 payment
  • Step 6: Insert your new SIM once you receive it and restart your smartphone
  • Step 7: Finish the tele-verification of your new BSNL SIM and activate it. Your previous recharge will be updated to this number

Alternative Option: Deactivate Your BSNL SIM Card

You can choose to deactivate your BSNL number if you have misplaced it somewhere by mistake. Similar methods and contact details are applicable to deactivate BSNL SIM Card. Call on 1503 or 1800-345-1500, send an email to [email protected], or visit the BSNL customer service centre located nearby. Later, you can re-activate your BSNL number by reaching out to the customer care support and start using the services again.

Also Read: BSNL TO BSNL Balance Transfer (USSD Code)


Losing a SIM card is a nightmare and sometimes it leads to unpleasant situations if you don’t get it blocked right after it’s stolen. Hence, it’s advisable to block BSNL SIM Card or any other SIM card to prevent unauthorized people from accessing your personal information stored on your mobile. By blocking your SIM Card you’ll be adding a security layer that will prevent someone from using your number. Subsequently, if you don’t receive a confirmation message from BSNL then you can reach out to BSNL Customer Care for a follow up and clear your doubts.

About Kriti

A student of Journalism from DU who loves to read and write. As a content writer I believe in being Woke and Vocal as to put out issues that are less talked. I believe that words empower minds and souls. I also do some non-journalism stuff such as dance, painting, playing guitar, making videos and watch as many movies as I can!

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