Just in case, you guys are failing to go through PTCL landline numbers, remember that PTCL landline numbers have been converted from 7 digits to 8 digits in Karachi and Lahore from Today July 01, 2009.
Therefore, please add 3 before dialing any PTCL number of Karachi and Lahore. (e.g. if a number is 0425861593 new number will be 04235861593)
The city codes remains the same.
For more information call 1236.
On further inquiring, it has been found that:
All numbers beginning with 90 & 92, you need to add 9 i.e. 990 or 992.
All UAN numbers will remain the same
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Pakistan