Find Phone number, Location Address and all other information of Computer Companies in Karachi Sidra Computer Services Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-331-3522579, or you can visit their location in person, address location is: Plot No. L-76, Unity Bungalows, Block 12, Gulistan-e-Johar, Karachi.