How to Block Telenor SIM – Complete Guide 2025

These days, mobile security is a big deal. If you lose your Telenor SIM, someone steals it, or you think it’s being misused, don’t wait around, block it right away. That’s the only way to stop anyone else from using your number for scams or fraud. This guide shows you all the official ways on how to block Telenor SIM in Pakistan, whether you want to do it by phone, online, through the app, or by visiting a franchise.

Why You Should Block Your Telenor SIM Immediately

When you block your SIM, you shut down any chance of someone using your number for shady stuff—fraud, financial scams, identity theft, you name it. Plenty of people skip this step after losing their phone, and honestly, that can put your data and privacy at serious risk.

Blocking your SIM also keeps your number safe, so when you’re ready, you can reactivate or replace it without any extra hassle.

How to Block Telenor SIM via Helpline

Calling the official helpline is probably the quickest way to get your SIM blocked.

Step-by-Step Process:

1. Call 345 from any Telenor number.
2. Pick your language.
3. Select the “SIM blocking” option.
4. Give them whatever info they ask for—your CNIC number, SIM owner’s name, last recharge amount—just to make sure it’s really you.
5. Once they confirm your identity, they’ll block your SIM on the spot.

If you’re calling from a different network, dial 042-111-345-100 to reach Telenor support.

Important: And don’t forget, always write down the reference number the customer service rep gives you. You might need it later if you want to follow up.

How to Block Telenor SIM Online

If you’d rather not call, you’ve got online options too. You can block your SIM either through the Telenor website or the My Telenor App.

Method 1: Using My Telenor App

1. Download the My Telenor App from Google Play or the App Store.
2. Log in with your Telenor number.
3. Head to the Support or Help section.
4. Tap on “Report SIM Lost or Stolen.”
5. Follow the steps to block your SIM.

You’ll get a confirmation message once it’s done.

Method 2: Using the Telenor Website

1. Go to www.telenor.com.pk.
2. Open the Customer Support section.
3. Click “Report Lost SIM.”
4. Fill in your mobile number, CNIC, and the other details.
5. Send the request.

They’ll block your SIM within a few minutes after you submit.

Also Read: How to Activate Telenor SIM: Step-by-Step Guide 2025

How to Block Telenor SIM Using USSD Code

Right now, there’s no instant USSD code to block your SIM. But you can check which numbers are registered under your CNIC. Here’s what you do:

• Dial *336# and follow the on-screen instructions.
  
• Select “My Numbers” to see all the SIMs linked to your CNIC.
  
• If you spot a number you don’t recognize, call the Telenor helpline (345) right away and get it blocked.

Block Telenor SIM Through Franchise or Service Center

If you’d rather handle things face-to-face, just drop by your nearest Telenor franchise or Customer Care Center.

What to Bring:

• Your original CNIC.
  
• A photocopy of your CNIC.
  
• (Optional) Any proof of number ownership, such as a recent recharge slip or SMS screenshot.

Once you’re at the counter, let the staff know you want to block your SIM. They’ll check your ID and block the SIM for you right then and there. This is especially handy if you lost your phone but want a duplicate SIM later.

How to Block Someone Else’s Telenor SIM Registered on Your CNIC

If you suspect that unauthorized numbers are issued against your CNIC, follow these steps:

1. Go to the PTA SIM Information System site at cnic.sims.pk.
   
2. Type in your CNIC number and pass the captcha.
   
3. Check all numbers registered under your CNIC.
   
4. Note any unknown or suspicious numbers.
   
5. Reach out to Telenor Customer Support or visit a franchise to request a block on those numbers.

This protects you from any misuse or fraud linked to your CNIC.

How to Reactivate or Replace Your Blocked Telenor SIM

If you’ve blocked your SIM and want to get the same number again, you can easily request a replacement.

Here’s how:

1. Visit the nearest Telenor Franchise or Customer Service Center.
   
2. Bring your original CNIC.
   
3. Request for a SIM replacement (duplicate SIM).
   
4. Pay the replacement fee (usually Rs. 100–150).
   
5. The agent will issue you a new SIM card with the same number.

Your previous data, balance, and offers will automatically transfer to your new SIM after activation.

Block Telenor SIM in Case of Theft or Misuse

If someone steals your phone, don’t wait, block your SIM and the device’s IMEI right away.

Here’s what to do:

1. First, block your SIM using any of the methods above.
2. Then, report the theft to the PTA. Email them at complaint@pta.gov.pk with your IMEI number, CNIC, and contact info.
3. You can also use the DIRBS IMEI blocking portal at dirbs.pta.gov.pk.

This ensures your stolen phone becomes unusable in Pakistan, protecting your data and identity.

FAQs

Final Words

Blocking your Telenor SIM is one of the best ways to protect your phone and your identity. Whether your phone’s lost, stolen, or you notice any misuse, act fast, block your SIM by helpline, online, or in person at a franchise. The quicker you respond, the safer your number and personal data stay.

Follow these steps and you stay in control of your Telenor account, keeping your information secure.