Switzerland eSIM – Data for the Swiss Alps & Cities
Instant mobile data in Switzerland from £4.99. No roaming charges. Keep your UK number. Activates the moment you land.
Switzerland is one of the most expensive countries for UK roaming because it's not in the EU. TripSIM provides affordable 4G/5G data across Switzerland.
Switzerland mobile networks
- Swisscom — 4G/5G
- Sunrise — 4G/5G
- Salt Mobile — 4G
How it works
- Buy your plan in GBP at our UK Stripe checkout.
- Scan the QR code we email you within minutes.
- Land in Bern and connect automatically.
Switzerland eSIM FAQs
Does an eSIM work in Switzerland?
Yes — TripSIM eSIMs work across Switzerland on local 4G/5G networks (Swisscom, Sunrise, Salt Mobile). You activate before you fly and it connects automatically when you land.
Can I keep my UK number while using a Switzerland eSIM?
Yes. Your physical UK SIM stays active for calls, texts and WhatsApp. The TripSIM eSIM runs alongside it as a data-only line.
Is hotspot / tethering included?
Yes, every TripSIM plan supports personal hotspot.
When should I install the eSIM?
Install before you leave the UK while on WiFi. Activation only starts when you connect to a local network in Switzerland.
Is TripSIM cheaper than UK carrier roaming in Switzerland?
Almost always. UK carriers typically charge Often excluded from UK roaming bundles (non-EU) in Switzerland. Save up to 95% – Switzerland is often excluded from UK roaming deals.
Why is roaming so expensive in Switzerland?
Switzerland is not in the EU, so it's excluded from most UK carriers' European roaming bundles. TripSIM's Europe package includes Switzerland.