Post Office: PAK. STEEL MILLS TOWNSHIP KARACHIPost Office Type: SUB OFFICE Delivery Office Status: Non Delivery Post OfficeDistrict: Korangi GPOPin/Post Code:75010Region: SindhContact Address: Postmaster, Post Office PAK. STEEL MILLS TOWNSHIP KARACHI (Sub Office), Korangi GPO Pakistan, Pincode:- 75010Postal Dist:- Korangi GPOPostal Region:- SindhPostal Circle:- Sindh