Find Phone number, Location Address and all other information of Computer Companies in Karachi Computer Service Organization Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-321-9228970, or you can visit their location in person, address location is: Office No. 622, 6th Floor, Anum Blessings, Near Baloch Colony, Off Shahrah-e-Faisal, PECHS, Karachi..