Compare Mobile SIMs in Luxembourg

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31 live offers compared from 12 providers, from €4 /month. Updated daily.

What are Mobile SIMs in Luxembourg?

A mobile SIM in Luxembourg gives you a phone number with calls, texts and mobile data on one of the national networks. Plans come as postpaid contracts billed monthly or prepaid top-up cards, and increasingly as eSIMs activated digitally. Given the country's small size and cross-border commuting, many plans include generous EU roaming so frontalier workers and travellers stay connected in neighbouring Belgium, France and Germany. SIMs are sold by network operators and resellers, often bundled with home internet or handset financing.

How the Luxembourg market works

Three network operators anchor the market — POST Luxembourg, Tango and Orange — with several resellers and MVNOs such as Luxembourg Online, Easy Mobile, Eltrona, Lebara and MTX Connect riding on their networks. Postpaid plans bundle data allowances (often large or unlimited) with EU roaming, while prepaid suits light or short-term users. Coverage is excellent nationwide. EU roaming rules mean allowances generally work across the European Union at no extra cost, a major benefit for Luxembourg's mobile population.

Benefits

EU roaming included — Roam-like-at-home rules let you use your allowance across the EU, ideal for cross-border life.

Large data allowances — Competitive plans offer generous or unlimited data for streaming and hotspotting.

Flexible formats — Choose postpaid, prepaid or eSIM to match your usage and commitment.

Bundling savings — Combining mobile with home internet or a handset can reduce the total bill.

How to choose

Estimate your monthly data use and how much you call or roam beyond the EU. Compare the monthly price, data allowance, EU and worldwide roaming terms, and whether the plan is contract or no-commitment. Check network coverage where you live and commute, whether an eSIM is supported, and if a handset is bundled or bought separately. Prepaid suits short stays or tight budgets; postpaid suits heavy users wanting the best per-gigabyte value.

Leading providers in Luxembourg

POST Luxembourg, Tango and Orange are the three network operators, competing on data allowances, roaming and convergent home-plus-mobile bundles. Resellers and MVNOs such as Luxembourg Online, Easy Mobile, Eltrona, Lebara and MTX Connect target value, prepaid or niche needs like connected devices. Your best pick depends on coverage, how much data you need, and whether you want to bundle with home broadband.

What it costs

Monthly mobile pricing in the market ranges broadly from around €4 for a light prepaid or entry plan up to about €329 at the top end, where higher figures reflect premium plans bundled with handsets or device financing. Everyday SIM-only postpaid plans sit well below that ceiling. Watch for out-of-bundle charges, non-EU roaming rates, and any upfront handset cost or minimum contract term.

Protections and regulation

The mobile sector is regulated by the Institut Luxembourgeois de Régulation (ILR), which oversees competition, number portability and consumer rights. EU rules guarantee roam-like-at-home across the Union, contract transparency and the right to switch and keep your number. General EU consumer-protection law covers distance sales and unfair terms, and the ULC can help with billing or service disputes.

Common questions

Can I use my plan in France, Belgium and Germany? Yes, EU roam-like-at-home rules generally let you use your allowance across the EU at no extra cost.

Can I keep my number when switching? Yes, number portability is a regulated right in Luxembourg.

Is an eSIM available? Major operators support eSIM, letting you activate a plan digitally without a physical card.

Prepaid or postpaid? Prepaid suits light users and short stays with no commitment, while postpaid contracts offer the best value per gigabyte for heavy users.

Does worldwide roaming cost extra? EU roaming is included, but using your plan outside the EU can incur higher charges, so check the non-EU rates before travelling.

Mobile SIM Plans in Luxembourg — FAQ