The Pakistan Telecommunication Authority has provided the facility through which information about how many SIMs registered to specific person can be checked.
It enables every one to know how many SIMs have been registered in PTA database against his/her name.
Check through SMS:
Open write message option of your Mobile phone, type your CNIC number without any dashes. Send it to 668. It will cost Rs2 plus tax.
Check through Online:
To find out the total number of SIMs registered against your CNIC, enter your CNIC and click Submit. It is free of cost.
Online link: http://cnic.sims.pk/