Most premium eSIMs connect to Viva-MTS (formerly Vivacell) or Team Telecom. For travelers heading to remote regions like Dilijan National Park or the southern Syunik province, an eSIM using the Viva-MTS backbone is preferred as they historically have the widest 4G/LTE geographical coverage compared to Ucom, which is excellent in Yerevan but can be spotty in deep gorges.
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Which local Armenian network does the eSIM use, and why does it matter for rural travel?
Updated April 22, 2026
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