Contact
Last updated: August 2026
We're here to help. For any question about your eSIM order, delivery, or our policies, reach out using the details below.
Contact Details
- Business name: ZemSim (KIM JOONHEE)
- ABN: 68 968 335 464
- Email: hello@zemsim.com
- Address: 135 A'Beckett Street, Melbourne VIC 3000, Australia
Business Hours
We respond to all enquiries within 1 business day, 7 days a week.
Order Support
eSIMs are digital products delivered instantly by email. If you haven't received your eSIM, check your inbox and spam folder, then contact us with your order number.