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SIM Cards

SIM Cards – same-day delivery available. Just make sure the product you want is in stock. Choose products to buy from the comfort of your home and have them delivered to your address, to an AlzaBox, or to one of our stores. Learn more about why shop on Alza.cz.

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7 reasons to shop for SIM Cards on Alza.cz

  • We have a wide network of stores across the Czech Republic, where we follow all hygiene measures, as well as contactless AlzaBoxes (pick-up points).
  • You can see the availability of each item right away. Don't forget that we deliver on weekends too.
  • We accept most payment methods, including contactless and cryptocurrency.
  • You can easily return or exchange your product at any of our AlzaBoxes.
  • Need assistance? Our customer support is available 24/7.
  • We complement our range with accessories and additional services.
  • You'll find all the essential information for each product, and for some, user reviews to help with your selection.

What to consider when choosing SIM Cards?

If you're planning to get SIM Cards, there are a few aspects that can help you choose the right product. In the left menu, you can use the parametric filter to narrow down the selection to match your preferences. We also recommend sorting by popularity or price.

Make your selection easier. Click through our pre-made filters for the category: SIM Cards

Are you looking for the best SIM Cards? Browse products sorted by popularity, or consult the reviews from other users.

Cheapest vs. most expensive SIM Cards

If you are looking for products based on price, you can browse the lowest priced SIM Cards, or choose to sort by price from highest to lowest.

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34 Results
Sponsored
4.8 22×
Vodafone GIGA Card 100GB
SIM Card - Vodafone with a 100 GB data package for 30 days for CZK 449, You get an extra 50 GB when you renew regularly, the price of a call to all networks is CZK 4.50 per minute and an SMS message for CZK 1.90, all services are available only within the Czech Republic
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
449,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VDF531b
Sponsored
4.6 53×
Vodafone SIM gold card
SIM Card - Vodafone, prepaid, for the first month after activation of the card 10 GB of data and SMS in the Vodafone network for unlimited free + 5 GB of data you can pick up in the My Vodafone app, bonus credit of CZK 50 with validity of 45 days, after a month from activation the package is automatically renewed for the next month for CZK 200
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
249,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VDF529b
4.7 159×
O2 Annual data connection 50GB
SIM Card - data only, ideal for devices such as cameras, photo traps or security systems, 50 GB available for 365 days, connection to 5G network anywhere in the Czech Republic
Amazing Deal 799,- Save 200,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2182
4.2 41×
Vodafone Oscar
SIM Card - Vodafon Oskarta prepaid with an initial credit of CZK 100, adds a reward for every top-up from CZK 400 - 2 GB of data, 100 CZK extra credit or 100 minutes to all networks, charging via the web, the trafiky, petrol stations or internet banking, activation of the free reward via SMS to 7700
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
Great price 99,-
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VDF532b1
4.7 159×
O2 Annual data connection 15GB
SIM Card - data only, ideal for devices such as cameras, photo traps or security systems, 15 GB available for 365 days, connection to 5G network anywhere in the Czech Republic
Discounted -15 % 549,- 649,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2181
Discounted -13 % 2,999,- 3,469,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2189
5.0
Cactus 2GB
SIM Card - Cactus with 2 GB of data for free for the first 30 days, Initial credit 100 CZK valid for 12 months, calls to all networks for CZK 2.50/min and SMS for CZK 1.50, unlimited calls on the Kaktus network when topping up from CZK 200 per month, the possibility to choose advantageous data and calling packages, easy management of credit and services in the My Cactus app, credit top-up from 50 CZK, compatible with Neřesto tariffs with connection speeds up to 2 Mbps
149,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TW138b
4.2 132×
O2 Datamania 100GB
SIM Card - 100 GB of data for 30 days, connection to 5G network anywhere in the Czech Republic, unlimited calls per day for 15 CZK, SMS for 2 CZK, possibility of transferring the current number to this SIM card
449,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2184
4.0
Twist 100GB of data
SIM Card - T-Mobile, 100 GB package with free first month renewal, discounted price 345 CZK/month with card payment, every twelfth renewal of the package is free, for use in the Czech Republic, activation and management via the My T-Mobile app, Twist Standard Czech Republic tariff with a call price of 4.50 CZK/min., SMS 1,90 CZK, MMS 4,90 CZK
345,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TW137b
4.5 46×
O2 Prepaid card GO Ukraine 15 GB
SIM Card - 15 GB of data, 50 minutes of calls to all networks, free calls to the O2 network, international calls to Ukrainian numbers 1 CZK/min, pre-loaded bonus credit of 50 CZK, automatic activation, valid for 30 days, then recovery option
Discounted -16 % 249,- 299,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2175
4.8 23×
Twist 50 MINUTES + 2GB
SIM Card - Twist prepaid card, 50 minutes of calls and 5 SMS to all networks and up to 2 GB of data (1 GB in the base and 1 GB to be picked up in the My T-Mobile app), afterwards the package will not be automatically renewed and will be deactivated, you can renew it in the My T-Mobile app for 149 CZK including VAT
149,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TW133b
4.8 42×
Vodafone unlimited calls to the Vodafone network
SIM Card - prepaid SIM card containing unlimited calls on the Vodafone network for the first month + credit of CZK 150 valid for 45 days + 1.5 GB of data
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
150,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VDF1006b
4.2 41×
Vodafone Oskarta eSIM
SIM Card - with an initial credit of 100 CZK valid for 45 days, flexible choice of packages, Date, the call, SMS or a combination of both, the ability to change services according to your current needs in My Vodafone self-service, bonus rewards for top-ups over CZK 400, 2 GB, 100 CZK credit or 100 minutes to all networks, CZK 2.50 per minute, 1,90 CZK per SMS, 79 CZK for 1 GB of data per month
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
99,-
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VDF532b1e
4.6 38×
Vodafone data card - 3.5 GB of data
SIM Card - prepaid SIM card containing 3.5 GB of data and unlimited SMS on the Vodafone network for the first month + credit of CZK 50 valid for 45 days
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
199,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VDF1005a
4.6 161×
O2 Prepaid Card GO Unlimited
SIM Card - includes 300 MB of data and unlimited calls to all networks for 25 CZK per day, pre-charged credit of 150 CZK
129,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2173i
4.4
Vodafone GIGA Card 100GB (e-sim)
SIM Card - Vodafone with a 100 GB data package for 30 days for CZK 449, You get an extra 50 GB when you renew regularly, the price of a call to all networks is CZK 4.50 per minute and an SMS message for CZK 1.90, all services are available only within the Czech Republic
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
449,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VDF531b1
4.5 71×
T-Mobile prepaid card 10GB
SIM Card - T-Mobile, prepaid, for the first 30 days after card activation 10 GB of free data and a bonus credit of 100 CZK valid for 1 year, after 30 days from activation the data package is renewed for another 30 days for 279 CZK, for the first recharge within 30 days from activation a bonus of 100 CZK valid for 30 days
189,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TW127a
4.5 71×
T-Mobile prepaid card 15GB
SIM Card - T-Mobile, prepaid, for the first 30 days after card activation 15 GB of free data and a bonus credit of 100 CZK valid for 1 year, after 30 days from activation the data package is renewed for another 30 days for 399 CZK, for the first recharge within 30 days from activation a bonus of 100 CZK valid for 30 days
299,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TW127b
4.6 161×
O2 Prepaid Go Card 10 GB
SIM Card - 10 GB of data and 100 minutes of calls for CZK 299 per month including VAT, SMS for 1,90 CZK, 300 CZK bonus on the first top-up of 300 CZK, automatic tariff renewal after 30 days, calls after the units are exhausted for 4.90 CZK/min
249,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2185
5.0
Vodafone SIM gold eSIM
SIM Card - Vodafone, prepaid, for the first month after activation of the card 10 GB of data and SMS in the Vodafone network for unlimited free + 5 GB of data you can pick up in the My Vodafone app, bonus credit of CZK 50 with validity of 45 days, after a month from activation the package is automatically renewed for the next month for CZK 200
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
New arrival 249,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VDF529be
4.6 161×
O2 Go Junior Prepaid Card
SIM Card - for children, 2 GB of data and 200 minutes of calls to all networks for CZK 199 per month, SMS for 1,90 CZK, 300 CZK bonus on the first top-up of at least 300 CZK, automatic renewal of the tariff after 30 days if you have enough credit, calls after the units have been used up for CZK 4.90/min, the possibility of activating autopay, Full Data package option with unlimited data for 24 hours
Amazing Deal 149,- Save 50,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2187
3.8
Cactus Neřesto for 350
SIM Card - with the Neřešto prepaid tariff for CZK 350 and CZK 100 credit, including 10 GB of data + unlimited data at 2 Mbps, 100 minutes or SMS and unlimited calls to 2 numbers of your choice, payment for the tariff is made automatically from the added payment card.
309,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TW132b
4.6 161×
O2 Prepaid Go Card per day
SIM Card - 1 GB of data for one day and unlimited calls to all networks in the Czech Republic for CZK 29 per day, you will receive a credit of 50 CZK, SMS for 1,90 CZK, The daily window is activated by calling or dating and is valid until midnight, bonus credit of CZK 300 for the first top-up of at least CZK 300, only days are paid, when the customer makes a phone call or uses the internet, after 1 GB is used up, automatic renewal of 300 MB of data for 19 CZK until the end of the day
Discounted -20 % 79,- 99,-
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2186
5.0
Vodafone Children's card with a six-month package included
SIM Card - includes 2.5 GB of data and unlimited calls on the Vodafone network for 6 months without the need to recharge, after 6 months, the package is automatically renewed for 149 CZK per month, calls to other networks cost CZK 4.50 per minute, SMS to other networks cost CZK 1.90, When you activate reload rewards, you will receive a 20% reload bonus, the price for data outside the package is 79 CZK per 1 GB per month
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
399,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VDF533b
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Xiaomi na svém Redmi Note 15 Pro+ příliš nešetřilo a telefon dostal několik vítaných vylepšení. Jde o vrchol žebříčku budget od brandu Redmi. Jak moc se liší od vlajek, je potřeba utrácet o tisíce korun víc? Odpověď na tuto a další otázku přináší tato recenze.
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SIM Cards

In the category SIM Cards on Alza.cz, we currently have a total of 34 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
Check out products sorted by price starting with the lowest price in the category cheap SIM Cards Find products sorted from the most expensive to the cheapest in the category most expensive SIM Cards Check out products sorted by price starting with the highest price in the category best sellers, best SIM Cards You’ll find products sorted by reviews starting from the highest ranked in SIM Cards reviews
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