Find Phone number, Location Address and all other information of Jazz Cash Agents Usman Mobiles And Computers on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number , or you can visit their location in person, address location is: Shop # 22-b Sarhang Market Gujranwala Cantt. Jazz Cash Agents branches are open from Monday to Friday from 9 AM to 5:30 PM, while some selected branches are open on Saturday.