Contact Us For Any Customer Support/Toll Fee Helpdesk Number 1800 209 3991. Available between 9 am to 6 pm on business working days (Monday to Friday) only. Or Write to us at : For Any Support help@euronetprepaid.com For Any Complaint grievance@euronetprepaid.com QUESTIONS For questions about Prezzy Card, check out our FAQs.For any card enquiries, please check your transactions online at Prezzy Customer Service Portal.You can also contact our customer support & helpdesk team by email help@euronetprepaid.com