Find Phone number, Location Address and all other information of Western Union Agents in Karachi Husaainabad F B Area Block 3 Branch Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-21-36334436, or you can visit their location in person, address location is: Husaainabad F B Area Block 3 K D A Scheme No 16 Karachi.