Lock Unlock PTCL Code For Mobile & International Calls

If you would like to stop making Mobile & International calling from your PTCL do following steps

1. First call PTCL help line 1236 and ask them to open lock facility(it will take 24 - 48 hrs).
2. Once facility is available you can lock phone by dialing *33*1234*4# (replace 1234 with your desired password).
3. To unlock phone dial #33*1234# (Replace 1234 with your password).

By doing this i lock my PTCL mobile & international dialing.