yaySIM does not provide a Costa Rica eSIM that includes a phone number or SMS capability. Travelers can only purchase data‑only eSIM plans from yaySIM for Costa Rica.
Through the data connection users can still make voice calls and send messages using VoIP applications such as WhatsApp, Telegram, and iMessage. However, some destinations restrict access to specific apps or VoIP services, so travelers should verify that the apps they rely on work in Costa Rica before purchasing a plan.