Compare Mobile SIMs in Poland

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20 live offers compared from 5 providers, from PLN 18 /month. Updated daily.

What is a Mobile SIM in Poland?

A mobile SIM plan gives you calls, texts and mobile data on one of Poland's networks. Plans come in two forms: prepaid (na kartę), where you top up as you go with no contract, and postpaid (abonament), a monthly contract often bundled with a phone. Poland has excellent, low-cost mobile coverage with widespread 4G and expanding 5G, and eSIM support is now common. SIM registration is required, so you must show ID when buying, even for prepaid.

How the Polish market works

Four network operators own the infrastructure, and numerous virtual operators (MVNOs) resell capacity, keeping prices among the lowest in Europe. Prepaid plans dominate for their flexibility and no-commitment nature, while postpaid contracts appeal to those wanting a subsidised handset and larger data allowances. Unlimited-data plans and generous bundles are common, and EU roaming lets you use your allowance across the EU at no extra charge. Number portability lets you keep your number when switching operators.

Benefits

Low prices — Polish mobile plans are among the cheapest in Europe for data and calls.

Flexibility — Prepaid SIMs need no contract and can be topped up as needed.

EU roaming — Use your plan across the EU at domestic rates under roam-like-at-home rules.

Keep your number — Number portability lets you switch operators without losing your number.

How to choose

Decide between prepaid flexibility and a postpaid contract with a bundled phone. Compare the data allowance, whether it is unlimited, call and text inclusions, and any EU-roaming data cap. Check network coverage and 5G availability where you live and travel, and whether eSIM is supported. For light users a cheap prepaid or MVNO plan is ideal; heavy users may prefer an unlimited postpaid deal with a handset.

Leading providers in Poland

The four networks are Orange Poland, Play, Plus and T-Mobile Poland, each offering prepaid and postpaid plans with nationwide coverage and 5G. Virgin Mobile Poland operates as a well-known virtual operator with competitive prepaid and SIM-only deals. Many other MVNOs run on these networks, so coverage is effectively determined by the underlying operator whose network your plan uses.

What it costs

Monthly prices range from PLN 0 on entry SIM-only promotions up to around PLN 80 for premium unlimited postpaid plans, often with a phone included. Prepaid top-ups are cheap and flexible, while contract plans spread a handset cost over the term. Bundling mobile with home internet or TV from the same operator generally lowers the effective monthly price. Prepaid credit typically stays valid for a set number of days after each top-up, so occasional users should check the validity period to avoid losing unused balance.

Protections and regulation

Mobile services are regulated by the Office of Electronic Communications (UKE), which oversees spectrum, number portability, SIM registration and consumer rights. EU roaming rules guarantee domestic-rate use across the EU, and contract-transparency and easy-switching protections apply. SIM cards must be registered to a verified identity. Disputes can be raised with UKE or the Office of Competition and Consumer Protection (UOKiK).

Common questions

Do I need ID to buy a SIM? Yes. Poland requires SIM registration, so you must show identification, including for prepaid.

Can I keep my number if I switch? Yes. Number portability lets you move your number between operators.

Does my plan work across the EU? Yes, at domestic rates under roam-like-at-home, subject to any fair-use data cap.

Is eSIM supported? Increasingly yes. All four networks and many virtual operators now offer eSIM, letting you activate a plan without a physical card.

Mobile SIM Plans in Poland — FAQ