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Everything you need to know about using eSIMs in São Tomé and Príncipe
São Tomé and Príncipe offers 5 travel eSIM providers and 8 prepaid data plans. While the options are somewhat limited, travelers can still choose a plan that matches their needs.
Currently, there are no unlimited data eSIM plans available for São Tomé and Príncipe. Travelers should estimate their data usage based on anticipated activities such as browsing, social media, or streaming, and select a plan with a data allowance that comfortably covers these needs throughout their trip.
São Tomé and Príncipe is served by two primary Mobile Network Operators (MNOs):
Companhia Santomense de Telecomunicações (CST): Established in 1990, CST is the state-owned telecommunications provider offering mobile voice and data services, including 2G, 3G, and, as of August 2023, 4G LTE coverage across the islands.
Unitel São Tomé and Príncipe: A subsidiary of Angola-based Unitel International Holdings, Unitel began operations in 2014 and provides mobile voice and data services. In May 2023, Unitel launched the country's first commercial 4G LTE network.
Currently, São Tomé and Príncipe does not have any Mobile Virtual Network Operators (MVNOs).
Yes, travelers can purchase a travel eSIM that includes a phone number and SMS ability for São Tomé and Príncipe. Providers Roamify and Orange Travel offer 30‑day plans (data caps of 50 MB) with inbound and outbound voice and SMS. Both plans use a foreign dialing code (+33, France), so the numbers are not local to São Tomé and Príncipe. Prices for these options start around $25 and $36, respectively. If a local number is required, data‑only eSIMs can be used with VoIP applications such as WhatsApp, Telegram, or iMessage for calls and messages over the data connection.
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