Post Office: KARACHI BOARD OF SECONDARY EDUCATIONPost Office Type: SUB OFFICE Delivery Office Status: Non Delivery Post OfficeDistrict: Karachi Alhydri GPOPin/Post Code:75990Region: SindhContact Address: Postmaster, Post Office KARACHI BOARD OF SECONDARY EDUCATION (Sub Office), Karachi Alhydri GPO Pakistan, Pincode:- 75990Postal Dist:- Karachi Alhydri GPOPostal Region:- SindhPostal Circle:- Sindh