There are several reasons you might need to deactivate your Telenor SIM card, including losing your phone, replacing with a new number, switching to a different network, or securing an unauthorized SIM registered on your CNIC. Telenor Pakistan provides multiple official channels to deactivate a SIM quickly and safely. This complete guide covers every method to deactivate a Telenor SIM in 2026.

Before You Deactivate Your Telenor SIM

Before proceeding with deactivation, consider the following important points. Deactivation is a permanent action and your existing Telenor number may become available for reassignment to another customer after a holding period. Any remaining balance on the SIM will be forfeited upon deactivation. Active packages and subscriptions will be cancelled. If you have an Easypaisa mobile wallet linked to the number, transfer any wallet balance before deactivating. Make sure to update any accounts (banking apps, social media, two-factor authentication) that use this number before deactivating.

Method 1: Deactivating via Telenor Helpline

Calling the Telenor customer helpline is the quickest method to deactivate your SIM without visiting a franchise.

Calling Telenor helpline for SIM deactivation

Step-by-Step Process

Call the Telenor helpline at 345 from your Telenor number. If the SIM is lost or stolen and you cannot call from the number itself, call from another phone using 051-111-345-100 (reachable from any network or landline). Follow the IVR (Interactive Voice Response) menu. Select the option for SIM Services or Account Management. Request to speak with a customer service representative. Provide the following details for identity verification: your full name as registered on the SIM, your CNIC number (National Identity Card number), the Telenor number you want to deactivate, and possibly your date of birth or last recharge amount as additional verification. Once verified, clearly request SIM deactivation. The representative will process the request and confirm the deactivation. You will receive a confirmation SMS if your number is still active to receive it.

Telenor Helpline Availability

The Telenor helpline operates 24 hours a day, 7 days a week for emergency requests such as lost or stolen SIM deactivation. For non-emergency deactivation requests, regular business hours may apply for certain processes. Calling 345 from the Telenor number is free, while calling from other numbers incurs standard call charges.

Method 2: Deactivating via Telenor Franchise or Service Center

Visiting a Telenor franchise in person provides the most reliable and comprehensive deactivation service, especially for complex cases.

Telenor franchise SIM deactivation service

What to Bring

Your original CNIC (Computerized National Identity Card) is mandatory. The SIM card (if you still have it) can speed up the process but is not mandatory if you can prove your identity biometrically. If the SIM is registered under someone else name, that person must be present or provide written authorization along with their CNIC copy.

Process at the Franchise

Visit any Telenor franchise, Telenor Experience Center, or authorized service center. Request a SIM deactivation from the service desk. The staff will ask you to provide your CNIC. They will run a biometric verification by scanning your fingerprint against the NADRA database to confirm your identity. Once your identity is confirmed, they will process the SIM deactivation. The deactivation is immediate. You will receive a confirmation from the franchise. If you are deactivating due to loss or theft, you can also request a replacement SIM with the same number or a new number at the same visit.

Method 3: Deactivating via My Telenor App

The My Telenor app provides self-service account management and may support certain SIM management actions depending on your account and region.

Checking App Options

Download and open the My Telenor app on your smartphone. Log in with your Telenor number. Navigate to Account Management, SIM Management, or Settings. Check if a Deactivate SIM or Disconnect Number option is available. If the option is not available in the app, proceed with the helpline or franchise methods. Note that full SIM deactivation typically requires identity verification that the app may redirect to a franchise visit or helpline call.

Method 4: Deactivate Unauthorized SIM via PTA Portal

If someone has registered a Telenor SIM on your CNIC without your knowledge or consent, you can report and deactivate it through PTA official channels.

PTA SIM management portal

Check SIMs Registered on Your CNIC

First, check how many SIM cards are registered against your CNIC. Send your CNIC number (without dashes, 13 digits) via SMS to 668. You will receive a reply showing all active SIM cards registered under your CNIC across all Pakistani networks. If you see a Telenor number that you did not register, it is an unauthorized SIM that needs to be deactivated.

Reporting Unauthorized SIMs to PTA

Visit the PTA complaint portal at pta.gov.pk. Navigate to the Complaint Registration section. File a complaint for an unauthorized SIM registered on your CNIC. Provide your CNIC number, the unauthorized Telenor number, and your contact details. PTA will investigate and coordinate with Telenor to deactivate the unauthorized SIM. Alternatively, visit any Telenor franchise with your original CNIC and explicitly request deactivation of a specific number that was registered against your ID without your authorization. The franchise will process the biometric verification and deactivate the unauthorized number.

Telenor SIM Deactivation Due to Inactivity

Telenor also automatically deactivates SIM cards that remain inactive for an extended period. A Telenor prepaid SIM is considered inactive if no outgoing call, SMS, or data session has been made from the number for a continuous period of 90 days. After 90 days of inactivity, the SIM enters a grace period during which incoming calls may still be received. If the SIM remains inactive for a further 30 days, it is permanently deactivated and the number may be reassigned to a new customer. To prevent automatic deactivation, make at least one outgoing call or send one SMS from the number every 60-90 days.

What Happens After Deactivation

Once your Telenor SIM is deactivated, all incoming and outgoing calls and SMS to and from that number will immediately stop working. Any remaining balance is forfeit and cannot be refunded. Active package subscriptions are cancelled without refund. The number enters a holding period before being potentially reassigned to a new customer. If you had an Easypaisa wallet linked to the number, contact Easypaisa support separately as the mobile wallet may have different deactivation and transfer processes. Any services (banking apps, WhatsApp, social media) linked to the deactivated number should be updated to a new number immediately after deactivation.

Reactivating a Deactivated Telenor SIM

If your SIM was deactivated due to inactivity or other reasons and you want to recover the same number, visit a Telenor franchise with your original CNIC as soon as possible. Reactivation of a deactivated SIM is only possible within a limited window after deactivation before the number is permanently reassigned. Biometric verification is required for reactivation. Once a number has been reassigned to a new customer, recovery is no longer possible.

Conclusion

Deactivating a Telenor SIM in Pakistan can be done quickly by calling the helpline at 345, visiting a Telenor franchise with your CNIC, or reporting unauthorized SIMs through the PTA portal. For immediate protection in case of phone loss or theft, the helpline method is available 24/7 for fast response. Always update linked accounts and transfer any Easypaisa balance before deactivating your number to avoid losing access to important services in 2026.