Please use any of our contact info provided in the Contact Us page, also please note that the number that the driver use to contact you on delivery is not the number to contact when you would like to communicate with Jiva as we have so many drivers and your driver might be vary depending on the route. ONLY contact +62-813-3841-1119 to communicate, we are available as much as we can on WhatsApp, we are also available for phone calls during our business hours on Monday to Saturday between 07.30 to 14.30, we are closed on Sundays and major holidays.