Traveling to Switzerland and wondering what is the best way to stay connected and save on high roaming charges? Visiting Switzerland is already expensive enough. so let me help you get you the best SIM card for your trip.

This is the ultimate guide for buying a prepaid SIM card in Switzerland in 2026.

Find out where to buy a SIM card, a comparison of the mobile internet providers, the best 4G/5G network in Switzerland, up to date prices, my recommendation, restrictions on EU data roaming and more about eSIMs for Switzerland.