TopSim - who we are

Topsim is a team of mobile communication specialists. We specialize in selling SIM cards from various countries around the world, which offer favorable roaming conditions and do not require registration. You can also buy eSim and top-ups for mobile operators from us.Our SIM cards can be used not only for roaming while traveling, but also as cheap pre paid internet in Poland, Germany, the Czech Republic, the Netherlands and other EU countries.We have many satisfied customers who recommend us to their friends. You can read opinions about us on allegro.plWe are constantly working to expand our product range and improve our service.If you are interested in cheap mobile Internet and other telecommunications services, join our clients.We ship SIM cards worldwide by post or courier services.

  • Over 1000 satisfied customers

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    Low prices

  • Always up-to-date information

Our clients are

Roaming for a truck driver

Truck drivers

Every truck driver must have access to a reliable Internet while roaming. Since the Internet for international drivers allows you to track routes, communicate with the company and use navigation, it is important to choose a SIM card for roaming that works in all the countries that the professional trucker plans to drive.

Roaming for tourists

Tourists and travelers

When planning a trip abroad, people first of all think about not being left without mobile communication. Nowadays, the phone is used not only for contact with loved ones, but also for work, entertainment and payments. This is why international roaming is so important for tourists. We know which mobile networks offer the cheapest roaming and are happy to share this information.

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People working abroad

Mobile Internet in Europe is quite expensive, and roaming abroad is even more expensive. The highest prices are in Switzerland, Germany and Great Britain.Employees in a foreign country need cheap mobile communication. And we have a solution to this problem. We offer roaming sim cards with Internet abroad on the best conditions.

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Grupa Whatsapp o roamingu

Zasady, regulamin i polityka prywatności

Grupa Whatsapp o roamingu

Zasady, regulamin i polityka prywatności