Post Office: CHAK-5/11LPost Office Type: SUB OFFICE Delivery Office Status: Non Delivery Post OfficeDistrict: Sahiwal GPOPin/Post Code:57174Region: PunjabContact Address: Postmaster, Post Office CHAK-5/11L (Sub Office), Sahiwal GPO Pakistan, Pincode:- 57174Postal Dist:- Sahiwal GPOPostal Region:- PunjabPostal Circle:- Punjab