Post Office: PAK. STEEL MILLS KARACHIPost Office Type: SUB OFFICE Delivery Office Status: Delivery Post OfficeDistrict: KorangiPin/Post Code:75000Region: SindhContact Address: Postmaster, Post Office PAK. STEEL MILLS KARACHI (Sub Office), Korangi Pakistan, Pincode:- 75000Postal Dist:- KorangiPostal Region:- SindhPostal Circle:- Sindh