Post Office: KASSOWALPost Office Type: SUB OFFICE Delivery Office Status: Non Delivery Post OfficeDistrict: Sahiwal GPOPin/Post Code:57300Region: PunjabContact Address: Postmaster, Post Office KASSOWAL (Sub Office), Sahiwal GPO Pakistan, Pincode:- 57300Postal Dist:- Sahiwal GPOPostal Region:- PunjabPostal Circle:- Punjab