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Telekom international roaming in USA
vs a data eSIM.

Telekom's 14-day option is €15.95. A Slashtel eSIM with at least 15GB for the same trip is €14.77. Keep your Telekom number for calls and texts.

Buy the USA eSIM →
At a glance

Telekom's 14-day SurfPass USA M option costs €15.95 (15GB of data). A Slashtel data eSIM for the USA with at least 15GB for 30 days costs $16.49, about €14.77, so €1.18 less. The eSIM is data only: keep your German SIM in the phone for calls and texts. Telekom prices checked on telekom.de on 26 October 2026.

Telekom roaming vs Slashtel for USA

TelekomIncludesSlashtel eSIM (same days or more)Difference
€5.95 · 7 days2GB data only2GB, 15 days: $5.29 (≈€4.74)€1.21 less
€15.95 · 14 days15GB data only15GB, 30 days: $16.49 (≈€14.77)€1.18 less
€29.95 · 28 days50GB data onlyNo matching plan-
€5.95 · 7 days1GB data only1GB, 7 days: $2.79 (≈€2.50)€3.45 less
€15.95 · 14 days5GB data only5GB, 30 days: $6.89 (≈€6.17)€9.78 less
€29.95 · 28 days12GB data only15GB, 30 days: $16.49 (≈€14.77)€15.18 less

Telekom prices from telekom.de, checked 26 October 2026; Telekom's options include calls as well as data. Where Telekom charges by the day, we compare an eSIM with at least 1GB a day. Telekom Travel & Surf SurfPass prices from Telekom's public roaming price navigator on telekom.de (data from ebs01.telekom.de/roaming-configurator, tariff option 'MagentaMobil since Aug 2024', Basic Roaming) and Ländergruppen from the price list 'Mobilfunknutzung im Ausland' dated 8 Sep 2026, checked 26 Oct 2026. Country SurfPasses listed before Ländergruppe passes; M (14-day) passes marked headline. Without a pass there is no data use in Ländergruppe 2 and 3, so no payg rate applies. UK and Switzerland are Ländergruppe 1 (home price). New MagentaMobil plans also include a yearly roaming allowance (up to 50GB, tariff dependent) and older plans use Standard Roaming groups; neither modelled. Slashtel prices are live, in US dollars, converted at 0.90 per $1 (daily reference rate); your card is charged in your own currency at checkout. Telekom is a trademark of Deutsche Telekom AG. Slashtel is not affiliated with Telekom.

How to use both

  1. Before you fly: buy the USA eSIM and install it from the QR code while you are on Wi-Fi.
  2. Keep Telekom on: leave your Telekom SIM active for calls and texts.
  3. When you land: set the eSIM as your mobile data line and turn data roaming off on the Telekom line.

Questions

Does Telekom work in USA?

Yes, Telekom roams in USA, at €15.95 for 14 days on its SurfPass USA M option (checked 26 October 2026). A travel eSIM gives you local data there instead, while your Telekom number stays active for calls and texts.

Is Telekom roaming or an eSIM cheaper for USA?

For data, the eSIM. Telekom's 14-day option is €15.95; a Slashtel eSIM with 15GB for 30 days is $16.49 (about €14.77). Telekom's option also includes calls, which the eSIM does not.

Can I keep my Telekom number while using an eSIM in USA?

Yes. The eSIM is added alongside your Telekom SIM, so your number stays in the phone for calls and texts such as bank codes. Set the eSIM as the line for mobile data and turn data roaming off on the Telekom line. Whether Telekom charges for anything you receive abroad depends on your plan, so check with Telekom before you travel.

Does the eSIM include calls or a phone number?

No. It is data only, with no phone number. You can call on WhatsApp, FaceTime or similar apps over the eSIM data.

Which phones work with an eSIM?

Most iPhones from the XS onwards, Google Pixel 3 and later, and recent Samsung Galaxy S, Z and A models, provided the phone is not carrier-locked. Check under Settings for an option to add an eSIM.

When should I install the eSIM?

Install it at home before you fly, while you have Wi-Fi, and switch mobile data to it when you land.

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