Find Phone number, Location Address and all other information of Western Union Agents in Karachi Flat G 3 G7 Project Block 01 Block 13 Branch Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-21-34015600, or you can visit their location in person, address location is: Flat G 3 G7 Project Block 01 Block 13 Karachi.