Instabridge does not provide Antigua and Barbuda eSIM plans that include a phone number or SMS capability. All plans from Instabridge for this destination are data‑only packs. Travelers who need to communicate while abroad can use VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection if these services are accessible in Antigua and Barbuda. Because some destinations may restrict certain VoIP services, users should confirm that the apps they depend on function in Antigua and Barbuda before purchasing.