Contact Us

We're here to help you stay connected anywhere in the world — 24/7.

Email Us

For order, delivery and activation questions: kefu@musmoon.com

For business and partnership inquiries: kefu@musmoon.com

What We Can Help With

  • eSIM activation and installation (iPhone / Android / iPad)
  • Plan top-ups and extensions while traveling
  • Order and delivery tracking for physical SIM cards
  • Refunds and account issues

Before You Contact Us

Most questions are answered instantly in our How It Works guide. You can also check your eSIM delivery email — your QR code and activation steps are there.

Response Time

We reply within 24 hours, usually much faster. Emails are answered around the clock.