To provide you with the best possible speed and reliability in Bulgaria, SouthESIM partners with the country’s leading Tier-1 networks. You'll typically connect to major providers such as A1, Yettel (formerly Telenor), or Vivacom. These collaborations ensure you get access to the fastest available 4G LTE and often 5G speeds, whether you’re exploring the historic streets of Plovdiv, enjoying the coastal charm of Varna, or hiking in the beautiful Bulgarian mountains. We aim for seamless connectivity for your adventures.
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Which local mobile networks does SouthESIM connect to in Bulgaria?
Updated April 22, 2026
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