Find Phone number, Location Address and all other information of Jazz Cash Agents Ec Trix Computer And Communication 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: Sh #302 Sammabad F B Are Block 18 Karachi. 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.