Switzerland eSIMs: local calls, starting credit and the days you actually use

A prepaid card with CHF20 of starting credit sounds straightforward until you compare it with a seven-day package and a travel eSIM containing a fixed number of gigabytes. The three prices are paying for different things, and the credit isn’t a discount to subtract from the shopping basket before declaring a winner.

If you need a Swiss number for ordinary calls, put that beside the way you want to pay for the stay: a package that runs continuously and a local tariff charged in periods of use behave differently. Swisscom and Sunrise offer those different local structures, while a fixed travel-data allowance can cover a trip where apps do the communicating.

We sell the SIM Shop plans below. Local terms were checked on 21 October 2026; our plan prices and terms were checked on 25 October 2026. Our prices are Australian dollars; Swiss operator prices are Swiss francs, shown as CHF. Compare the complete amounts in the same currency if cost is the deciding factor.

Our selected Switzerland eSIM plans name Salt and Sunrise, with 3G/4G/5G capability listed in the plan details. They start at first network connection, and the purchase-to-first-use window is 180 days. The 5GB option in the table is a total for its service period, without a daily reset. It doesn’t supply Swisscom access simply because Swisscom also operates in the country, nor does a network list promise uninterrupted reception on a particular mountain journey.

For a hypothetical seven-day visit using 4GB of phone data and app calls, our 5GB plan covers the example with 1GB spare. It provides a defined AUD purchase for that use, without a local calling service. Our 3GB, 30-day option at A$13.95 would be 1GB short for the same example, while 10GB for 30 days at A$27.95 supplies more headroom if the expected use is larger.

Swisscom’s tourist packages include unlimited Swiss data with a 50Mbit/s download limit, domestic calls and SMS sent from Switzerland to domestic and foreign destinations. A new line receives a Swiss number, and the advertised CHF19.90 activation charge is waived. International SMS is a separate benefit from ordinary calls to Australia; the domestic call inclusion doesn’t turn an Australian number into a Swiss destination.

For a nine-day stay requiring Swiss calls and continuous data, the seven-day package ends too soon, whereas the 15-day CHF40 package spans the trip. That is a simple duration choice if you prefer a prepaid period that keeps running without counting separate usage charges.

Sunrise’s travel prepaid terms charge the basic Unlimited CH rate at CHF2.50 per 24-hour usage period. Its CHF20 starting credit funds eight such periods when nothing else reduces the balance. That is a spending balance, rather than a promise of eight separate calendar days beginning when you buy the card.

For nine chargeable periods, the usage arithmetic is 9 × CHF2.50 = CHF22.50. The starting balance is CHF2.50 short, but that doesn’t mean a CHF2.50 recharge is available.

The Sunrise top-up form offers amounts beginning at CHF10, followed by CHF20, CHF30 and larger values. Using its CHF10 option, the example becomes CHF19.90 for the starter plus CHF10 for the recharge: CHF29.90 paid, CHF30 of credit available and CHF7.50 left after those nine periods. Budget CHF29.90 for that starter-and-recharge combination, assuming no other credit-consuming services.

That difference between spending and funding is easy to miss. A remaining CHF7.50 is useful credit, but it hasn’t travelled back into your bank account because the holiday has finished.

You can check the Sunrise balance by dialling *121#, and the top-up page also provides voucher instructions and names outlets such as SBB ticket machines. Keep the credit balance and the purchased package’s expiry separate: seeing money on the account does not extend an expired data package.

The new-customer cards checked on 21 October show Unlimited Europe 7 at CHF59.90 and Unlimited Europe 30 at CHF74.90, each with CHF20 starting credit. Swiss calls and SMS consume CHF2.50 per chargeable 24-hour period from that credit; they aren’t an additional unlimited-Europe calling benefit hidden inside the data package.

For an example Europe 7 purchase with Swiss calls in three chargeable periods, those calls consume 3 × CHF2.50 = CHF7.50, leaving CHF12.50 of the starting credit before other charges. Do not add CHF7.50 to CHF59.90 as though it were an immediate extra payment: this example is spending credit already included in the card.

Sunrise’s linked Europe package factsheet, dated June 2023, describes data add-ons for an existing prepaid service at CHF40 and CHF55. Those are different from the new-customer cards above, so a first-time visitor should budget the new-customer card price rather than treating an add-on as the entire new connection.

The Europe data service also has a geographical limit within its unlimited wording: 60GB at high speed outside Switzerland, with Swiss data excluded from that pool. The product details and linked factsheet specify lower speeds afterwards of 256kbit/s for downloads and 128kbit/s for uploads. This is continuing connectivity at a much lower speed, rather than another full-speed allowance.

Consider a 30-day itinerary using 30GB in Switzerland and 60GB in included European countries. The Swiss use doesn’t consume the 60GB European high-speed pool, so the example reaches that pool’s limit without exceeding it. Move all 90GB of use outside Switzerland instead and 30GB falls beyond the high-speed allowance. The same total phone use produces a different result because of where it happens.

France, Germany, Italy and Austria are named in Sunrise’s included list; Serbia and Albania are explicitly excluded. If those excluded stops are part of the itinerary, choose another product that names them rather than treating Europe as an unlimited geographical permission slip. Our Europe buying guide covers that broader country-by-country decision.

The seven- or 30-day Europe period starts at first use, with activation required within 365 days of purchase. These are continuous package periods, not seven or 30 usage days to scatter across a longer trip. After expiry, Sunrise’s basic CH rate applies automatically in Switzerland; continued Swiss use can therefore spend the remaining credit even though the Europe bundle has finished.

Sunrise permits a foreign address for its eSIM, but requires successful identification. Its digital identification instructions describe scanning a valid passport, identity card or residence permit and recording a short facial video; a driving licence is not accepted. Complete that process through Sunrise’s official link and wait for successful verification before relying on the new line. A physical SIM posted by Sunrise is limited to addresses in Switzerland or Liechtenstein.

Swisscom also sells its tourist eSIM before travel, with the paid period beginning when the profile connects to and is used on its Swiss network. Its FAQ acknowledges that a My Swisscom two-factor login can require a Swiss number and prevent pre-arrival activation. If that blocks the process, use a Swisscom shop after arrival; its general prepaid guidance accepts a valid passport for registration. Keep the first journey and accommodation address saved offline so that the login doesn’t also hold the itinerary hostage.

Our Switzerland setup guide covers the handset steps for our data-only option after arrival. Before paying for any of these services, check whether the quoted amount buys the whole service period or credit to spend during it. That distinction matters just as much as the number of gigabytes.