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