Which local networks does EastESIM connect to in Switzerland for superior performance?

EastESIM partners with Switzerland’s top-tier mobile operators to guarantee you the best possible speed and coverage. Our eSIMs typically connect to either Swisscom or Sunrise. Swisscom is widely recognized for its unparalleled network quality, especially its extensive coverage in mountainous regions, ensuring you stay connected even in remote alpine valleys. Sunrise also provides excellent performance, particularly in urban centers like Zurich and Geneva. You'll experience reliable 4G/5G speeds across the country.