Post Office: SIHALAPost Office Type: SUB OFFICE Delivery Office Status: Non Delivery Post OfficeDistrict: Islamabad GPOPin/Post Code:45750Region: Federal CapitalContact Address: Postmaster, Post Office SIHALA (Sub Office), Islamabad GPO Pakistan, Pincode:- 45750Postal Dist:- Islamabad GPOPostal Region:- Federal CapitalPostal Circle:- Federal Capital