Post Office: SIBI GPOPost Office Type: SUB OFFICE Delivery Office Status: Non Delivery Post OfficeDistrict: Sibi GPOPin/Post Code:82000Region: BalochistanContact Address: Postmaster, Post Office SIBI GPO (Sub Office), Sibi GPO Pakistan, Pincode:- 82000Postal Dist:- Sibi GPOPostal Region:- BalochistanPostal Circle:- Balochistan