SimOptions does not provide any eSIM plan for Eswatini (Swaziland) that includes a phone number or SMS capability. The only plans available from SimOptions for this destination are data‑only eSIMs with no telephony services.
Travelers who need voice or messaging can rely on data connectivity to use VoIP applications such as WhatsApp, Telegram, and iMessage, but they should confirm that these services are accessible in Eswatini (Swaziland) before purchasing a plan, as some destinations may block or limit certain apps.