ByteSIM does not provide eSIM plans for Antigua and Barbuda that include a phone number or SMS capability. Only data‑only eSIMs are available from this provider for that destination.
Travelers can still use VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection for voice calls and messaging. However, some destinations may block or restrict certain apps or VoIP services, so it is advisable to verify that the applications you rely on are accessible in Antigua and Barbuda before purchasing a ByteSIM eSIM.