Find Phone number, Location Address and all other information of Computer Companies in Islamabad Prime Computers Islamabad on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-51-2872710, or you can visit their location in person, address location is: Office No. 16-B, Ratta Mansion, Fazal-e-Haq Road, Blue Area, Islamabad..