Pakistan Telecommunication Authority
The Pakistan Telecommunication Authority (PTA) (Urdu: مقتدرہِ ٹیلی مواصلات پاکستان) is the telecommunication regulator of Pakistan, responsible for the establishment, operation and maintenance of telecommunication systems and the provision of telecommunication services in Pakistan. Headquartered in Islamabad, PTA also has zonal offices located in Karachi, Lahore, Faisalabad, Gawadar, Abbottabad, Sukkur, Peshawar, Quetta, Muzaffarabad, Rawalpindi, Multan and Gilgit.
Source: Wikipedia — Pakistan Telecommunication Authority (CC BY-SA 4.0)