Prepaid SIM Cards in the Czech Republic

Prepaid SIM Cards in the Czech Republic (2025 Guide for Tourists & Expats)

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Staying connected while traveling in the Czech Republic is simple, affordable, and flexible thanks to its excellent prepaid SIM card options. Whether you’re visiting Prague for a few days or exploring the fairytale towns of Český Krumlov and Brno, a local SIM ensures you get reliable data and calls without paying hefty roaming fees.

Here’s everything you need to know — from where to buy and activate a SIM, to eSIM options, network coverage, registration rules, and the best prepaid plans.

Basics

The Czech Republic boasts a highly developed mobile network, providing robust 4G LTE coverage and expanding 5G availability. Three major telecom companies dominate the market:

All three operators offer prepaid (pay-as-you-go) SIM cards, tourist SIMs, and eSIM options, making it easy for travelers to get connected within minutes of landing.

Availability — Where to Buy a SIM Card

Prepaid SIM cards are widely available across the country. You can purchase one at:

  • Airports: Prague Václav Havel Airport has kiosks and vending machines from Vodafone, O2, and T-Mobile offering tourist data SIMs.
  • Official Stores: Each operator has branded shops in most towns and shopping centers.
  • Supermarkets & Convenience Stores: Tesco, Albert, and Billa often sell SIM starter kits.
  • Electronics Stores: Datart, CZC, and Alza stores also stock prepaid SIMs.
  • Online: You can order directly from the operator’s website and sometimes choose eSIM delivery.

Frequencies in the Czech Republic

To ensure your phone works properly, check that it supports these common network bands:

Network TypeFrequency Bands
2G900 / 1800 MHz
3G (UMTS)2100 MHz
4G / LTE800 (B20), 1800 (B3), 2100 (B1), 2600 (B7) MHz
5G NR700, 1800, 3500 MHz (varies by carrier)

Most modern smartphones support these frequencies.

Coverage & Speed

The Czech Republic boasts excellent mobile coverage across cities and towns, with 4G reaching nearly 99% of the population.

  • T-Mobile has the widest 5G network in major urban areas.
  • O2 provides strong 4G coverage and excellent rural reach.
  • Vodafone is praised for fast download speeds in Prague and Brno.

Average 4G speeds range from 40 to 100 Mbps, while 5G can reach speeds of over 300 Mbps in central districts.

At a Glance Comparison

ProviderNetwork StrengtheSIMTourist SIMAppTypical Price (Starter)
O2Excellent nationwide✅✅My O2 (Android, iOS)from 200 CZK
T-MobileBest 5G coverage✅✅Můj T-Mobile (Android, iOS)from 200 CZK
VodafoneFastest data speeds✅✅My Vodafone (Android, iOS)from 200 CZK

Biometric User Registration

As of 2025, the Czech Republic does not require biometric registration for prepaid SIM cards. You usually just need to show an ID or a passport if you buy from an official store. Tourist SIMs sold at airports often come pre-registered.

Device Registration

Unlike some countries, you do not need to register your device’s IMEI number in the Czech Republic. You can use any unlocked phone without restrictions.

SIM Card Price

Prepaid starter packs generally cost 200–500 CZK (≈ 8–20 EUR), usually including:

  • A local number
  • Some data (1–5 GB)
  • Free minutes or SMS

You can later top up your credit online, via apps, or at

eSIM Options

All three operators now offer eSIM activation for both prepaid and postpaid customers.
You can download an eSIM instantly from:

For tourists, global providers like Airalo or Nomad also sell Czech or EU-wide eSIMs that activate before you arrive.

repaid Plans & Data Add-Ons

Each operator has flexible bundles you can activate via app, SMS, or web portal:

O2 Prepaid Data

  • 5 GB – 299 CZK
  • 10 GB – 399 CZK
  • 20 GB – 549 CZK

T-Mobile Prepaid Internet

  • 1 GB – 99 CZK
  • 5 GB – 249 CZK
  • Unlimited 30-day plan – around 850 CZK

Vodafone Prepaid

  • 5 GB – 299 CZK
  • 10 GB – 399 CZK
  • Unlimited – 899 CZK

💡 Tip: Vodafone’s “Tourist SIM” often includes 10 GB of data + local calls for about 500 CZK.

Tourist SIM Cards

For short-term visitors, the Vodafone Tourist SIM and O2 Data SIM for Travellers are popular.
They include generous data allowances valid for 30 days, ideal for Google Maps, WhatsApp, and social media without needing Wi-Fi.

You can buy these at Prague Airport, central train stations, or directly from Vodafone and O2 stores.

Activation

Activating a Czech prepaid SIM is simple:

  1. Insert the SIM or scan your eSIM QR code.
  2. Restart your phone.
  3. You’ll receive a welcome SMS confirming activation.
  4. Top-up credit or buy a data plan via app or store.

Most SIMs activate automatically within a few minutes.

How to Check Remaining Balance

  • O2: Dial *104# or check via My O2 app
  • T-Mobile: Dial *101# or open Můj T-Mobile
  • Vodafone: Dial *22# or use My Vodafone app

All apps show your credit, data usage, and expiry date.

Customer Support / Helplines

OperatorEnglish Support Number
O2+420 602 909 909
T-Mobile+420 603 603 603
Vodafone+420 800 777 777

Customer support is generally available in English during business hours.

What to Expect

  • Excellent connectivity in cities and towns.
  • Affordable prepaid bundles for calls and data.
  • Easy top-up options in stores or via apps.
  • No long contracts or registration hassles.
  • eSIM flexibility for modern smartphones.

Conclusion

Buying a prepaid SIM card in the Czech Republic is one of the easiest ways to stay online and make local calls without breaking the bank. With competitive prices, wide availability, and fast 5G speeds, Vodafone, O2, and T-Mobile all offer solid choices for both tourists and residents.

If you’re a short-term traveler, grab a tourist SIM at Prague Airport or order an eSIM before arrival — you’ll be connected from the moment you land.

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