Find Phone number, Location Address and all other information of Kindergarten, Playgroup & Play Schools in Karachi Washington International School Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-21-35251425, or you can visit their location in person, address location is: 206/1, 32nd Street, Khayaban-e-Roomi, Phase VIII, DHA, Karachi.