Slovak Telekom review
Updated September 28, 2026 · NomadCue Editorial Team · Facts checked September 26, 2026
We earn a commission when you sign up through links on this site. Partner status can affect where a brand appears in our rankings. Partners with a live offer in your country come first, then every other brand by score.
Our verdict
Slovak Telekom is a home network first, so its roaming suits its own subscribers heading abroad rather than travellers shopping an eSIM. Short trips and long trips are both listed, but every worldwide bundle is capped and the cheapest entry point is €8, with €2.67 per GB.
Key facts
- Best for
- Slovak Telekom customers who want a carrier roaming bundle instead of a separate eSIM.
- Price from
- €8↗
- Price per GB from
- €2.67↗
- Countries covered
- from 110↗
- Unlimited data
- No↗
- Hotspot sharing
- Yes↗
- Reference plan prices
- Worldwide bundle: 3 GB EUR 8 (7 days), 5 GB EUR 16 (30 days), 10 GB EUR 22 (30 days); EU+ zone 0/1 uses plan data↗
- 5G
- Yes↗
- Fair use policy
- EU+ zone 0/1 data drawn from plan then FUP surcharges; roaming data blocked automatically once the free 500 MB is used↗
- Top-ups
- Yes↗
- Seller type
- Carrier↗
- 10 GB in Europe
- €22↗
- 10 GB in the US
- €22↗
- 10 GB in Japan
- €22↗
- Legal entity
- Slovak Telekom, a. s.↗
- Headquarters
- Slovakia↗
- Founded
- 1999↗
- Support channels
- Phone, Email, Help-centre↗
- Region
- Global
- Features
- 5G, Hotspot, Instant activation, Carrier plan
- Audience
- Short trips, Long trips
- Official website
- telekom.sk
Facts checked September 26, 2026, 5 sources
Pros and cons
Pros
- A carrier plan from the home network, so no separate eSIM purchase is involved
- Worldwide bundles from €8 to €22, and €22 covers the US bundle at the same price
- 5G and hotspot sharing both supported, good for working from a phone
- Covers from 110 countries, above the site median of 74
Cons
- Data is metered, and roaming data in the EU+ zone is drawn from your plan first
- Fair use surcharges apply, and roaming is blocked automatically once the included allowance is used up
- The €8 entry point ranks low against cheaper bundles on the site
Who it suits
- Slovak Telekom subscribers who already hold a plan and would rather add roaming than buy a new eSIM
- Travellers on a short break who need enough data for maps and messaging
- Longer trips that need a real data allowance, since every bundle is capped rather than unlimited
Who should look elsewhere
- Travellers who want unlimited data, since Slovak Telekom does not offer it
- Anyone comparing only entry prices, where SimToIsrael and eSIMGo.is sit lower
- People who need coverage beyond from 110 countries, which is where Zwitchy reaches further
How Slovak Telekom compares
8.8 vs 9.3
8.8 vs 9.3
8.8 vs 8.5
8.8 vs 9.3
8.8 vs 9.5
8.8 vs 8.0
8.8 vs 9.2
8.8 vs 9.0
8.8 vs 8.9
8.8 vs 9.5
8.8 vs 8.5
8.8 vs 9.3
8.8 vs 8.9
8.8 vs 8.8
8.8 vs 9.2- 8.8 vs 9.6
- 8.8 vs 9.5
8.8 vs 9.5
8.8 vs 9.3
8.8 vs 9.3
8.8 vs 9.2
8.8 vs 9.2- 8.8 vs 9.2
8.8 vs 9.1- 8.8 vs 9.1
- 8.8 vs 9.1
8.8 vs 9.0
8.8 vs 8.8- 8.8 vs 8.7
8.8 vs 8.6
8.8 vs 8.6
Where Slovak Telekom is available
- Available
- Slovakia
Countries from the brand (Source, checked September 30, 2026)
Frequently asked questions
How much does Slovak Telekom roaming cost?+
Worldwide bundles start at €8 and run to €22 for the largest allowance. That works out at €2.67 per GB on the entry package, and €22 is the same price for the US bundle.
Is the roaming data unlimited?+
No. Unlimited data is not offered here, so every bundle is capped by a set allowance. In the EU+ zone, roaming data is drawn from your own plan first, and fair use surcharges apply beyond that.
What happens when I use up my roaming data?+
Roaming is blocked automatically once the included allowance is used, so a trip can stop mid-stream if the cap is reached. Top-ups are available, and adding data keeps the connection working.
Which countries does Slovak Telekom roaming cover?+
Coverage runs to from 110 countries on a global basis, above the site median of 74. The EU+ zone is treated separately, with data taken from your plan first.
Can I use my phone as a hotspot while roaming?+
Yes. Hotspot sharing is supported and 5G is listed, so tethering a laptop from the phone is fine within the bundle allowance. Because data is metered, tethering uses the allowance faster than ordinary browsing.
Do I need to buy anything separately?+
No separate purchase is needed if you already hold a Slovak Telekom plan. The bundles sit on a carrier plan from the home network and activation is instant, so the same line handles it.
How is it priced against other options?+
The entry price of €8 sits above the site median of €5, and €2.67 per GB is above €1.50. Shoppers comparing mainly on price may find cheaper starting points elsewhere.
Who can help if a roaming bundle misbehaves?+
Support runs on phone, email and help centre, so a call, an email or the help centre all work. Slovak Telekom, a. s. is a carrier based in Slovakia, so the same company handles the home plan and the roaming add-on.
Sources
- telekom.sk checked September 26, 2026
Backs: Hotspot sharing, Top-ups
“Zdieľajte dáta zo svojho paušálu aj v ďalšom smart zariadení, napr. tablete, notebooku, GPS lokátore a pod.”
- telekom.sk/podpora/2g checked September 26, 2026
Backs: Features, 5G
- telekom.sk/kontakt checked September 26, 2026
Backs: Support channels
“Zákaznícka linka ... Napíšte nám ... Nájsť info vo Wiki”
- telekom.sk/o-spolocnosti/pravne-informacie checked September 26, 2026
Backs: Founded, Headquarters, Legal entity, Seller type
“Sídlo spoločnosti: Slovak Telekom, a. s., Bajkalská 28, 817 62 Bratislava”
- telekom.sk/volania/roaming checked September 26, 2026
Backs: Audience, Countries covered, Fair use policy, 10 GB in Europe, Price from, 10 GB in Japan, Price per GB from, 10 GB in the US, Reference plan prices, Region, Unlimited data
“dátujte výhodne vo viac ako 110 krajinách sveta”
Compiled from 5 source pages, checked September 26, 2026. We did not open an account.
Slovak Telekom
Slovak Telekom customers who want a carrier roaming bundle instead of a separate eSIM.