Find Phone number, Location Address and all other information of Jazz Cash Agents Umair Mobile And Computer Shop 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: Command And Staff College Quetta. 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.