Find Phone number, Location Address and all other information of Computer Companies in Karachi Cotech Computer Technology Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-21-34923422, or you can visit their location in person, address location is: Shop No.5, Zainab Palace, Near MCB Bank, Jamshed Road No.3, Fatima Jinnah Colony, Saddar, Karachi..