Find Phone number, Location Address and all other information of Western Union Agents in Karachi Gulber F.b. Area Branch Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-21-36829112, or you can visit their location in person, address location is: Plot No. B-1, Block 18, Gulber F.b. Area, Karachi.