Updated October 13, 2026 · NomadCue Editorial Team
POST Luxembourg vs T-Mobile US
POST Luxembourg
Higher score in this comparison
T-Mobile US
Where POST Luxembourg and T-Mobile US differ
| Compare | POST LuxembourgReviewSee alternativesSee alternatives | T-Mobile USReviewSee alternativesSee alternatives |
|---|---|---|
| Price from | €15 | Not confirmed |
| Countries covered | 82 | Not confirmed |
| Unlimited data | Yes | Not confirmed |
| 5G | Yes | Not confirmed |
| Fair use policy | EU fair use set at a minimum equal to the volume included in the offer; a new option of the same category only once the previous one is 80% consumed | Not confirmed |
| Networks | POST | Not confirmed |
Same on both: Seller type (Carrier).
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Key differences
- Support channels: only POST Luxembourg offers Email.
- Support channels: only T-Mobile US offers Chat, Community.
- Founded is lower at POST Luxembourg: 1992 vs 1994.
Our verdict on each
POST Luxembourg
POST Luxembourg is a carrier around the world plan for travellers who want one home network and unlimited data rather than a cheap pocket eSIM. Plans start at €15 and reach 82 countries, and support runs on email, phone and help centre.
T-Mobile US
T-Mobile US focuses on phone service with 5G plans, phones and home internet for use in America. T-Mobile US suits people arranging ongoing domestic longer stays who want satellite coverage and app based joining from one carrier for everyday mobile service.
Score breakdown
| Area | POST Luxembourg | T-Mobile US |
|---|---|---|
| Cost | 8.3 | Not confirmed |
| Offer | 9.0Carrier plan priced from €15 reaching 82 countries, with unlimited data and 5G listed as yes. | 9.7Higher |
| Trust | 9.7Higher | 9.6 |
How they place
| Ranking | POST Luxembourg | T-Mobile US |
|---|---|---|
| Travel SIMs and eSIMs | 320 of 926 | 783 of 926 |
| Travel eSIMs | 327 of 918 | 783 of 918 |
Every fact side by side
| Fact | POST Luxembourg | T-Mobile US |
|---|---|---|
| Region | Not confirmed | Local |
| Features | Unlimited data, 5G, Carrier plan | Not confirmed |
| Legal entity | POST Telecom S.A. | T-Mobile US, Inc. |
| Headquarters | Luxembourg | United States |
| Founded | 1992Lower | 1994 |
| Support channels | Email, Phone, Help centre | Chat, Phone, Help centre, Community |
Pocket Wi-Fi
| Fact | POST Luxembourg | T-Mobile US |
|---|---|---|
| Daily price | Not confirmed | $10 |
| Data allowance | Not confirmed | 2GB |
| Pickup and delivery | Not confirmed | Free same-day delivery when ordering in the T-Life app or online |
Where each stands against the rest
| Fact | POST Luxembourg | T-Mobile US | Median |
|---|---|---|---|
| Price from | €15highest quarter | Not confirmed | €4.99 |
| Countries covered | 82below the median | Not confirmed | 120 |
Median across 492 listed travel providers.
Pros and cons
POST Luxembourg
Pros
- Unlimited data is part of the plan, and 5G is included
- Reaches 82 countries on the POST network
- Sold as a carrier plan by POST Telecom S.A., based in Luxembourg since 1992
Cons
- Entry price of €15 sits above the site median of €5
- Coverage of 82 countries ranks at 142 of the 303 brands compared, so wider maps exist
- Unlimited data runs under an EU fair use policy, so a new option of the same category comes only once most of the previous one is used
T-Mobile US
Pros
- Operates its own 5G mobile network across America
- Offers 5G plans alongside phones and home internet service
- Provides satellite coverage to stay connected beyond regular signal
Cons
- Serves one domestic market instead of multiple travel destinations
- Catalog centers on full phone plans rather than short visitor options
Who each suits
POST Luxembourg
Who it suits
- Travellers already in Luxembourg who want to keep the same carrier abroad
- Anyone who needs data without watching a data allowance
- Travellers on long trips who would rather not track a data allowance
Who should look elsewhere
- Travellers on a tight budget, who will find €15 above the site median of €5
- Anyone after the widest map, since Zwitchy covers 200 countries against 82 here
- Travellers wanting a self-service eSIM, since this is sold as a carrier plan by a home operator
T-Mobile US
Who it suits
- People arranging longer stays around America
- Shoppers wanting phone, plan and home internet together
Who should look elsewhere
- Visitors seeking short multi country trips
Current offers
POST Luxembourg
Current offer
Bonus
One Around the World option included every month with POP Mobile MAXI: 1 Around the World roaming pack per month
POP Mobile MAXI plan; one pack per month, shareable once every 12 months with another line on the same account and invoice
Source, checked September 26, 2026
Bonus
Save up to EUR 600 on iPhone 18 Pro & 18 Pro Max with Mobile Buyback trade-in: up to EUR 600
Maximum amount obtained when trading in an iPhone 16 Pro Max 1 TB; requires a POP Mobile package with a 24-month commitment; in POST Telecom shops
Source, checked September 26, 2026
Country by country
| Country | POST Luxembourg | T-Mobile US |
|---|---|---|
| Luxembourg | Yes | No |
| United States | No | Yes |
Questions about each
POST Luxembourg
How much does a POST Luxembourg around the world plan cost?+
Plans start at €15. That is above the site median of €5, so it reads as a mid-range carrier price rather than a budget one. Add-on data options go further, with the site maximum at €87.70.
Is the data really unlimited?+
Unlimited data is listed as yes. It is a carrier plan from POST Telecom S.A., a Luxembourg operator founded in 1992, running on the POST network. The unlimited claim arrives with an EU fair use policy attached.
T-Mobile US
What does T-Mobile US sell?+
T-Mobile US sells phone service with 5G plans, phones, and home internet service. It also offers satellite coverage for staying connected outside regular signal areas. The range centers on ongoing service with options to bring an existing number or add a line.
Where does T-Mobile US work?+
The service works across America on the carrier 5G network with added satellite coverage. Home internet service reaches domestic addresses with door delivery in covered areas. The focus remains on one home market rather than multi country travel use.
Other options to compare
Other matchups
Related by the facts
POST Luxembourg
T-Mobile US