The regulator's own process, explained plainly

PTA SIM Verification: the complete guide

Every SMS shortcode, portal, and step PTA actually uses to verify SIM ownership in Pakistan — laid out plainly, so you know exactly what to expect before you start.

Official channels onlyNo app download requiredWorks for every operator

PTA's official SIM verification channels

Three ways to interact with PTA's verification system, depending on what you need.

01

SMS to 668 — check your registered SIM count

Send your 13-digit CNIC, no dashes, to 668. You'll get back the number of SIMs registered under your CNIC, split by operator, within moments.

02

SIM Information System web portal

PTA's own web portal accepts the same CNIC number and returns the same operator-wise result, useful if you prefer checking from a computer or don't want to use SMS credit.

03

Franchise visit for biometric re-verification

If a SIM is flagged as unverified, a fingerprint-based re-verification at an authorized operator franchise, using your original CNIC, is the only way to restore it — this step can't be done remotely.

Why PTA runs SIM verification at all

The short version, without the jargon.

Fraud prevention

Tying every SIM to a verified CNIC makes it much harder to use an anonymous number for scams, fraud, or impersonation.

The 5-SIM CNIC limit

Verification is what makes PTA's 5 mobile + 3 data-only SIM cap per CNIC enforceable — without it, there'd be no way to count SIMs against an identity at all.

Consumer self-protection

Once verified, you can periodically re-check your own CNIC and immediately spot any SIM you never authorized.

What PTA SIM verification will never ask you to do

PTA's genuine verification process never asks for your CNIC picture, OTP codes for other services, or payment beyond a standard SMS fee. If a message or call asking for these claims to be "PTA SIM verification," it's very likely a scam impersonating the regulator.

Legitimate PTA communication happens through the 668 shortcode you text yourself, or the official web portal you navigate to directly — never through an unsolicited inbound call or link asking you to "verify now or your SIM will be blocked."

If you're ever unsure whether a verification request is genuine, the safest move is to independently check your status yourself via 668, rather than responding to whatever contacted you first.

Check your verification status now

Text your 13-digit CNIC (no dashes) to:

668

This is the only channel you should trust for verification status.

SO

Reviewed by the SimOwnersPK Editorial Team

Telecom & digital-safety content specialists

We research every guide against PTA's published processes and update it when those processes change, rather than guessing at how SIM registration works.

Last reviewed: October 2026

How to read your 668 SMS reply

Sending the SMS is the easy part — understanding the reply is what most people get wrong:

  1. Type your 13-digit CNIC number with no dashes or spaces and send it as an SMS to 668.
  2. A small PTA service fee applies per SMS, so keep some balance or an SMS bundle active.
  3. The reply breaks your total down by operator — for example, how many of your SIMs are Jazz, how many Zong, how many Telenor, how many Ufone.
  4. Compare the total against what you actually use. Every SIM on that list is legally your responsibility, whether it's in your phone or not.

If the numbers don't add up — a count higher than the SIMs you own — skip to "668 shows SIMs you don't recognise" below. Don't wait on it.

SIM Information System portal — step by step

PTA's web portal (cnic.sims.pk) gives you the same count as the 668 SMS, in a format that's easier to keep as a record:

  1. Open PTA's SIM Information System portal in your browser.
  2. Enter your 13-digit CNIC number and submit.
  3. The portal shows your per-operator SIM count — same data as the SMS, on a screen you can screenshot for your records.
  4. Use it together with the 668 SMS: if both agree, your record is consistent. If they disagree, the franchise biometric check settles it.

One privacy note: the portal shows counts, not full numbers. That's deliberate — PTA designed it so a CNIC alone can't reveal someone's complete number list. For number-level detail, only a biometric-verified franchise visit works, and only for your own CNIC.

668 shows SIMs you don't recognise — act immediately

Unknown SIMs on your CNIC are the single biggest red flag in this whole process. They usually mean one of three things: an old SIM you forgot, a retailer who registered extra SIMs on your thumbprint, or outright identity misuse. Treat all three the same way:

  1. Don't ignore it. Any SIM on your CNIC is your legal liability — calls, fraud, anything.
  2. Visit any operator's franchise with your original CNIC and ask them to identify and block the unknown SIMs after biometric verification.
  3. If you suspect deliberate misuse, file complaints with PTA and the FIA Cyber Crime Wing — keep your 668 reply screenshot as evidence.
  4. Re-run the 668 check a few days later and confirm the count dropped to what you actually own.

This is also why the check shouldn't be a one-time thing. Run it every two to three months, and immediately if your CNIC copy ever leaves your hands.

668 not working? Quick troubleshooting

  • SMS won't send: You need balance or an SMS bundle — the 668 service carries a small PTA fee. "No credit" is the most common failure.
  • No reply after sending: Network delays happen. Wait a few minutes and retry once. If it repeatedly fails, use the SIM Information System web portal instead — same data, no SMS needed.
  • "Invalid CNIC" response: You almost certainly included dashes or spaces, or typed fewer than 13 digits. Resend with plain digits only.
  • Reply shows zero but you own SIMs: Your SIMs may be unregistered, inactive, or registered under old biometric records. Visit a franchise for a biometric check — the SMS can only report what PTA's record holds.

PTA SIM verification — frequently asked questions

Straight answers about how PTA's verification system actually works.

It's the process of confirming that a mobile SIM is correctly registered against the biometric and CNIC record of its actual user, as required by Pakistani telecom regulation. PTA oversees this through operators and its own 668 system.

Send your 13-digit CNIC (no dashes) to 668 by SMS, or log into PTA's SIM Information System portal, to see your current registered SIM count and status by operator.

They're related but distinct. Biometric verification happened when you first registered or re-verified your SIM at a franchise using your fingerprint. PTA's 668 check confirms the resulting registration record, not the biometric step itself.

An unverified or improperly registered SIM can be blocked by the operator until you complete biometric re-verification at an authorized franchise, using your original CNIC.

Apni CNIC number (13 digits, bina dashes) 668 par SMS karein — is se pata chal jata hai ke aapki SIM operator ke pass sahi tarah verified/registered hai ya nahi.

Checking your current status is fully online via 668 SMS or the web portal. However, initial biometric verification (fingerprint scan) still requires an in-person visit to an authorized franchise, since biometrics can't be captured remotely.

PTA charges a small service fee per SMS — keep balance or an SMS bundle on the sending SIM. The exact fee is published by PTA and your operator; it's a few rupees, not a subscription.

Just the count, broken down by operator. Full numbers are never shown — that's deliberate privacy protection. For number-level detail on your own CNIC, visit a franchise with biometric verification.

The reply goes to whichever phone sends the SMS, so technically any CNIC number can be queried. Only ever check your own — looking up someone else's registration without consent is a privacy violation.

Every two to three months as routine hygiene, and immediately if your CNIC copy is lost, shared, or you suspect misuse. It takes one SMS.

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