Post Office: ISLAMABAD GPOPost Office Type: SUB OFFICE Delivery Office Status: Non Delivery Post OfficeDistrict: Islamabad GPOPin/Post Code:44000Region: Federal CapitalContact Address: Postmaster, Post Office ISLAMABAD GPO (Sub Office), Islamabad GPO Pakistan, Pincode:- 44000Postal Dist:- Islamabad GPOPostal Region:- Federal CapitalPostal Circle:- Federal Capital