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The same three rules apply to every operator
- Start with PTA. The 668 service shows how many SIMs are on your CNIC.
- Go in person. Ownership changes, blocking and duplicate SIMs require your original CNIC and biometric verification at an official outlet.
- Never share codes. No operator, PTA or NADRA official will ask for your OTP or ask you to verify a fingerprint on someone else's device.
Read our detailed biometric verification guide for more.
Last reviewed: 2026-11-14. Codes and procedures can change — confirm with the official source before relying on them.