Order & eSIM support
Activation, refunds, troubleshooting
Best for anything tied to a specific order or eSIM. Mention your order number if you have one.
support@worldcitisim.com →We’re here to help
Get in touch
Question about a plan, an order, or how an eSIM works? We usually reply within a few hours. Before you write — most quick answers live on our FAQ page.
Partnerships & press
Affiliate, B2B, media
For partnership and press inquiries. For affiliate signup, the form lives on the affiliate page.
hello@worldcitisim.com →Mailing address
Paralinq International LLC
16192 Coastal Highway
Lewes, DE 19958
United States
We don’t process support requests by post — please use email above for anything time-sensitive.