esimzon does not provide any eSIM plan for Tanzania that includes a phone number or SMS capability; the provider offers only data‑only plans for that destination.
If a phone number is required, travelers can rely on data‑driven VoIP services such as WhatsApp, Telegram, or iMessage over the eSIM connection. Because some countries restrict or block certain VoIP applications, it is advisable to confirm that the messaging or calling apps you rely on are accessible in Tanzania before purchasing a plan.