Post Office: KARACHI G.P.O.Post Office Type: SUB OFFICE Delivery Office Status: Delivery Post OfficeDistrict: KarachiPin/Post Code:74200Region: SindhContact Address: Postmaster, Post Office KARACHI G.P.O. (Sub Office), Karachi Pakistan, Pincode:- 74200Postal Dist:- KarachiPostal Region:- SindhPostal Circle:- Sindh