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Swisscom and travel eSIM in Switzerland

Swisscom is one of the networks your eSIM may use in Switzerland. Here is who actually decides which network you get, and what to do with that.

Author: Bob Kanokphon Thongdee · Co-founderReviewed by: Porsch Kunnipat SiramanakulPublished: October 12, 2026Last updated: October 12, 2026
Swisscom and travel eSIM in Switzerland

Quick answer

  • 52 of the 94 Switzerland plans we sell name Swisscom as a reachable network, at 4G and 5G.
  • Swisscom runs LTE on B1, B3, B7, B8, B20, B28, B32 and 5G on n1, n28, n78; your phone needs at least one of them.
  • Travel plans connect by roaming, so no plan can promise one specific network.

Swisscom in brief

Swisscom switched off GSM in April 2021 and its 3G (UMTS) network in April 2026; today it runs 4G and 5G, with 5G on 700, 2100 and 3500 MHz.

We are not a reseller for this operator and we have not run our own field speed tests. The band and network details below come from the sources listed at the end of the page.
Swisscom and travel eSIM in Switzerland

Swisscom's bands and technology

ItemSwisscom
LTE (4G)B1, B3, B7, B8, B20, B28, B32
5G NRn1, n28, n78
5G launchedLive
3GShut down
Network code (MCC-MNC)228-01

Checked against the sources on 2026-10-12. Only the bands a source confirmed are listed; the network may run others too.

An eSIM can only use Swisscom if your phone supports at least one band in this table. Before you fly, open your model's spec page on the maker's site and compare its LTE and 5G band lists.

Swisscom's coverage map

Swisscom publishes its own coverage map. Look up the street or district you will stay in rather than the country as a whole, because coverage in town and out of town differs a great deal. The map shows Swisscom's own network; a roaming plan may not get every technology it shows.

Who licenses Swisscom

Mobile networks in Switzerland are licensed, and their spectrum assigned, by the Federal Office of Communications (BAKOM). The bands above are the ones it allocates. A problem with the local network's own service goes to the operator first; a problem with your eSIM plan comes to us.

Swisscom and travel eSIM in Switzerland

The plans on our shelf that name Swisscom

From the supplier record behind each package, 52 of the 94 plans we currently sell for Switzerland declare Swisscom as a network the profile can reach, at 4G and 5G. The figure comes from the same catalogue that prices the plan pages, and it moves when the supplier revises the record.

A plan naming Swisscom means the network sits in the list the profile may choose from. It does not mean your handset will stay on it. The priority order is the supplier's, and the signal where you stand decides.

Swisscom beside the other networks in Switzerland

NetworkLTE bands5G bands
SwisscomB1, B3, B7, B8, B20, B28, B32n1, n28, n78
SunriseB1, B3, B7, B8, B20, B28n28, n78

A band shared across networks is one a single phone can use on all of them.

Why plans do not name a fixed network

Nearly every travel eSIM is a roaming product: the profile picks a network by an order the supplier sets, not by the buyer. If Swisscom is weak where you are, try selecting Sunrise manually in the network settings, and keep data roaming on for the eSIM profile.

FAQ

Will my eSIM definitely connect to Swisscom?+

52 of our plans name Swisscom as reachable, but that is not a guarantee. Travel plans run over roaming agreements, so the network depends on the supplier behind the plan, your device and where you are.

Which bands does my phone need for Swisscom?+

At least one of these, LTE: B1, B3, B7, B8, B20, B28, B32; 5G: n1, n28, n78. Your phone's band list is on the maker's spec page for your model, under "Cellular" or "Network".

Does Swisscom run 5G, and will my plan get it?+

Yes. Swisscom has run commercial 5G, on n1, n28, n78. A travel plan only gets it when the plan permits 5G, your phone supports one of those bands, and you are inside 5G coverage. Miss any one and you fall back to 4G.

How do I see which network I am on?+

Check the carrier name at the top of the screen, or open the mobile-network settings and look at the operator list. If signal is poor, try selecting a network manually instead of automatic, but only one your plan actually supports.

Sources

About the author

Bob Kanokphon Thongdee

Bob Kanokphon Thongdee

  • Co-founder of eSIMonline.asia
  • More than 7 years in online marketing
  • Founder of Cojourney Visa and Cojourney Travel
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