Speak the Language
SIM Verification Glossary — SVMS, BVS, DIRBS & MNP (2026)
This SIM verification glossary explains the ten terms behind every legal SIM check in Pakistan. They are SVMS, BVS/MBVS, DIRBS, LSDS, MNP, NICOP/POC, SIM Disowning, FRC, CNIC/B-Form and the activation date. Two bodies stand behind them. PTA runs the registry and the codes, and NADRA verifies the fingerprints. Below the ten sit the 365-day lock, five more terms and a code table. Each entry links to the page where it matters, starting with our main guide, Check SIM Owner Details Pakistan.
Key takeaways
- SVMS is the web nickname for the PTA SIM registry every legal check reads (real name: SIM Information System 668).
- BVS/MBVS is the NADRA fingerprint match that turns a SIM on.
- DIRBS governs devices by IMEI (check via 8484), not SIMs.
- MNP is number porting, and why prefixes stopped proving networks.
- SIM Disowning removes a registry entry at the franchise.
- One CNIC may hold eight SIMs: five voice plus three data.
You do not need jargon to run a SIM ownership check. But the words start flying the moment you read a PTA notice or walk into a franchise. Two minutes here and none of them will confuse you again.
On this page
The glossary: 10 terms in plain words
Ten terms. That is the working vocabulary of SIM verification in Pakistan, and each one gets a plain glossary card below.
SVMS: the web’s nickname for PTA’s SIM registry
“SVMS” is the nickname the web uses for PTA’s national SIM registry; PTA’s real name for it is the SIM Information System 668, launched in October 2009, and the expansion “Subscriber Verification Management System” appears in no PTA document. The registry links every biometrically activated SIM in Pakistan to a CNIC, and it powers both the 668 SMS check and the cnic.sims.pk portal. The registry has no public API, a point this glossary repeats deliberately. That is why no website, including any “pak sim data” service, can legally show you a stranger’s SIM owner details. What each input lawfully returns instead sits in our SIM information guide.
BVS / MBVS: (Multi-)Biometric Verification System
BVS is NADRA’s fingerprint system, the step that switches a SIM on and ties it to your CNIC. Check your own status with your operator’s code. Jazz: CNIC to 6001. Telenor: any SMS, even blank, to 7751. Zong: V to 7911. Ufone: dial *336*1#. Our BVS page has the full status-and-fix walkthrough beyond this glossary, and Method 5 covers it in the guide.
DIRBS: Device Identification, Registration and Blocking System
DIRBS, PTA’s device registry, governs handsets by IMEI rather than people, and decides whether a phone may use Pakistani networks. Text your IMEI to 8484 to see that status. DIRBS is Pakistan’s own system, and CEIR is India’s. It does not enforce the SIM limit; that happens at activation, inside the PTA registry and NADRA, as other entries in this glossary explain.
LSDS: Lost & Stolen Device System
LSDS covers the lost or stolen handset, and it is one of the least-known entries in this glossary. PTA bars that phone on every network by its IMEI. Lodge a police FIR first, then file the request with that IMEI. Text 8484 to confirm the status. Blocking lands in about 24 hours, and reverses if you get the phone back. LSDS acts on hardware, not on blocked SIMs.
MNP: Mobile Number Portability
MNP, the next glossary term, lets you keep your number and change networks. Porting happens at the new operator’s franchise with your original CNIC, and takes about four working days. MNP is also why prefixes mislead. A 0300 number may sit on Zong today. Confirm any number’s real network by texting N 03XXXXXXXXX to 76367. For what a bare number can and cannot reveal, read the by-number answer.
NICOP / POC: overseas identity cards
NICOP is the National Identity Card for Overseas Pakistanis, and POC is the Pakistan Origin Card. Both behave exactly like a CNIC on cnic.sims.pk. That makes the portal the natural way to check SIMs from abroad, which is why this glossary treats both cards as one entry. You need no Pakistani SIM in hand.
SIM Disowning: the counter-phrase
SIM Disowning, the counter-phrase this glossary exists to teach, is the official franchise process that takes a SIM off your CNIC. Do it in person, with your original card and a live fingerprint. Say those exact words at the counter. Keep the written reference number, then re-check after 24 to 48 hours. PTA capped the fee at Rs 200 on 1 January 2024, and it is waived in fraud cases. The full walkthrough sits on our disown a SIM page.
FRC: Family Registration Certificate
An FRC, issued by NADRA, proves how family members are related, and it earns its glossary place through inheritance cases. You need it, with the death certificate and both CNICs, to block or transfer a deceased relative’s SIMs at the franchise. Settle these within about 30 days. Idle numbers on an unused CNIC are a known fraud route.
CNIC / B-Form: adult ID and child registration
The CNIC is the 13-digit adult identity card every SIM registers against, and it is the one glossary term here you already knew. A B-Form is a child’s registration document, and no SIM can be issued on it. A minor’s SIM sits on a parent’s or guardian’s CNIC instead. It counts towards that adult’s cap of eight until the child turns 18.
Activation date: the 365-day clock
The activation date is the registry timestamp for the moment a SIM was biometrically switched on. The cnic.sims.pk portal does not display it (the portal shows a dated per-network counts table only); get it from 667 for the SIM in your hand, or the operator franchise for the rest. The date starts the 365-day clock explained below. Screenshot the 667 reply, because it is dated evidence; no other glossary entry earns you more in a dispute.
365-day lock: the new-SIM freeze
Under PTA’s advisory of 24 May 2026, a newly activated SIM cannot be disowned or transferred for 365 days. The clock runs from its activation date. The rule curbs quick resale of SIMs bought for fraud, often with data from a CNIC leak. That misuse is a PECA offence. Your countdown lives on our 365-day rule page.
Quick reference: which SIM verification code does what
Four short codes do the everyday work: 668 for a SIM count, 667 for one SIM’s status, 76367 for a number’s current network and 8484 for a handset’s IMEI status. Each reads your own record or a public network fact, and none of them returns a stranger’s name. Codes that simply find your own number on every network live on their own page, outside this glossary.
| Code | What you send | What comes back |
|---|---|---|
| 668 | Your 13-digit CNIC, no dashes | SIM count per operator on that CNIC. About Rs 2 with tax. |
| cnic.sims.pk | CNIC, NICOP or POC on the web | The same count, plus activation dates. Free, and works from abroad. |
| 667 | The word MNP, from the SIM in hand | That SIM’s registration status against a masked identity. |
| 76367 | N 03XXXXXXXXX | That number’s network today, and nothing more. About Rs 2. |
| 8484 | Your handset’s IMEI | The handset’s DIRBS status. |
| 1799 | A call about SIM fraud | NCCIA’s helpline. Also complaint.nccia.gov.pk. |
| 0800-55055 | A call about a SIM or network | PTA’s helpline. Its WhatsApp Digital Assistant is 0315-0055055. |
Five more terms worth knowing
SIM cap: eight per CNIC
One CNIC may hold eight SIMs: five voice and three data. The Supreme Court set that limit on 5 November 2015. Data SIMs count too, which catches most glossary readers out. Our SIM limit page shows how the split works.
Waiting period: seven days for the next new SIM
PTA’s waiting-period rule makes you wait seven days before a second new SIM on the same CNIC. NADRA runs the check behind it. The rule took effect on 24 January 2024, and it slows bulk SIM buying. The waiting period page has the detail.
IMEI: the number that identifies your phone
An IMEI is the serial number of the handset, not the SIM. Dial *#06# to see it on screen. Text it to 8484 for its DIRBS status, and quote it in an LSDS block request. It says nothing about who owns the SIM inside.
NCCIA: the cybercrime agency
NCCIA is the National Cyber Crime Investigation Agency. It has handled cybercrime complaints since 3 June 2025, on helpline 1799 and at complaint.nccia.gov.pk. Go there when a SIM in your name is used for fraud. For SIM and network problems, PTA’s 0800-55055 is the right door.
PECA 2016, Section 16: the legal line
Section 16 of PECA 2016 puts another person’s identity information out of bounds. It carries up to three years in prison, a fine of up to Rs 5,000,000, or both. This is why a lawful check only ever covers your own CNIC.
How the systems connect (one flow)
Here is how the glossary terms above connect, the whole machine in one line. You buy a SIM. NADRA’s MBVS matches your fingerprint to your CNIC. The activation is written into the PTA registry with its date. From then on, 668 and cnic.sims.pk can count that SIM against your identity.
The device side runs on its own track. DIRBS checks whether your handset’s IMEI may use Pakistani networks, and LSDS blocks it if the phone is stolen. SIM and phone are two different records. Selling your phone does not move your SIM.
Then something goes wrong: a SIM you never bought, or a number that must leave your name. SIM Disowning at the franchise is the exit door. This SIM verification glossary is the map, and the full guide is the manual.
Common SIM verification mistakes to avoid
Six habits cause most of the trouble this glossary helps you avoid.
- Reading a prefix as proof of network. MNP moved numbers years ago, so text N 03XXXXXXXXX to 76367.
- Dialling *336# on Ufone. The BVS status code is *336*1#.
- Expecting a website to name a stranger. The registry has no public API, and Section 16 of PECA 2016 makes that lookup an offence. Every live SIM tracker claim fails the same test.
- Calling the device registry CEIR. Pakistan runs DIRBS. CEIR belongs to India.
- Assuming a blocked SIM blocks the phone. The SIM sits in the PTA registry, the handset in DIRBS.
- Forgetting data SIMs in the count. Three of your eight slots are data-only.
A worked example: one rogue SIM
Say 668 replies with three Jazz SIMs and you recognise only two. Note that SIM’s activation date on cnic.sims.pk, and screenshot the row as dated evidence. Then ask a Jazz franchise for SIM Disowning, with your original CNIC and a live fingerprint. Keep the reference number.
Frequently asked questions
Is SVMS the same as the 668 service?
Not quite, and the distinction is the most useful one in this glossary. SVMS is the web’s nickname for the registry itself, PTA’s master record of SIM-to-CNIC links (real name: the SIM Information System 668). 668 and cnic.sims.pk are the two public windows that read a privacy-safe summary of your own entry: a count per operator, never the full record. Neither window exposes another person’s data.
What does BVS mean on a SIM?
BVS means Biometric Verification System, NADRA’s fingerprint check. No SIM in Pakistan switches on without it, so BVS is the moment a number becomes yours. Check your own status with your operator’s code: Jazz CNIC to 6001, Telenor any SMS to 7751, Zong V to 7911, Ufone *336*1#.
How many SIMs can one CNIC have?
Eight. The cap is five voice SIMs plus three data SIMs on one CNIC, set by the Supreme Court on 5 November 2015. Data SIMs count, which is why many people are already at the limit. Text your CNIC to 668 for your own count per operator.
Does Pakistan use CEIR to block phones?
No. Pakistan uses DIRBS for device compliance and LSDS for lost-phone blocking. CEIR is India’s system, so any guide telling Pakistanis to use “CEIR” has the wrong country. Check your own device instead by texting its IMEI to 8484, and dial *#06# if you need that IMEI.
Why does the activation date matter so much?
Because it starts the 365-day disowning lock, which is why this glossary gives the date its own entry. Under PTA’s advisory of 24 May 2026, a newly activated SIM cannot be disowned or transferred for a year. The portal shows each SIM’s activation date, so a dated screenshot proves exactly when a rogue SIM appeared on your CNIC.
Two more answers people ask the glossary for
Where do MNP (porting) complaints go?
Start with the new operator’s helpline, because porting runs through their franchise. If it stalls past the usual four working days, escalate to PTA on 0800-55055 or at complaint.pta.gov.pk. Quote your porting reference number, and keep the date you first raised it.
CNIC vs NICOP for SIM checks: any difference?
Functionally none on the portal: cnic.sims.pk accepts CNIC, NICOP and POC numbers alike. The difference is who holds them: NICOP/POC belong to overseas Pakistanis, which is why the portal (not 668) is the natural overseas route. You need no Pakistani SIM in hand to use it.
Written and reviewed by Muhammad Hamza, founder and editor of CnicSimInfo. Every definition here traces to PTA, NADRA or the statute itself, and the whole glossary is re-verified quarterly. Last reviewed: 5 August 2026. See our Editorial Standards and the full SIM owner details guide.