Post Office: ISLAMABAD FEDERAL BOARDPost Office Type: SUB OFFICE Delivery Office Status: Non Delivery Post OfficeDistrict: Islamabad GPOPin/Post Code:44320Region: Federal CapitalContact Address: Postmaster, Post Office ISLAMABAD FEDERAL BOARD (Sub Office), Islamabad GPO Pakistan, Pincode:- 44320Postal Dist:- Islamabad GPOPostal Region:- Federal CapitalPostal Circle:- Federal Capital