The Pakistan Telecommunication Authority, abbreviated as PTA, is a state owned enterprise responsible for the regulation of establishment, operation and maintenance of telecommunications in Pakistan. Headquartered in Islamabad, PTA also has regional offices located in Karachi, Lahore, Peshawar, Quetta, Muzaffarabad and Rawalpindi.
By November 2013, Pakistan Telecommunication Authority (PTA) reported that overall cellular phone subscription has reached 132 million with increase of 25 million new numbers in the past two years
The Pakistan Telecommunication Ordinance 1994, established the primary regulatory framework for the telecommunication industry including the establishment of an authority. Thereafter, Telecommunication (Re-Organization) Act no XVII was promulgated in 1996 that aimed to reorganize the telecom sector of Pakistan.
Under Telecom Reorganization Act 1996, Pakistan Telecommunication Authority (PTA) was established in 1996 to regulate the establishment, operation and maintenance of telecommunication systems and the provision of telecom services.[