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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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36 Results
Sponsored
4.8 26×
Vodafone GIGA Card 100GB
SIM Card - Includes 100GB of data for the first month at no extra cost + 50GB each subsequent month when you renew your plan
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
349,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VDF531b
Sponsored
4.6 55×
Vodafone SIM gold card
SIM Card - Includes 10GB of data + 5GB in the My Vodafone+ app, unlimited SMS within the Vodafone network for the first month included in the price + 50 CZK credit valid for 45 days
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
Amazing Deal 199,- Save 50,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VDF529b
4.7 160×
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 699,- Save 300,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2182
4.7 160×
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 -9 % 499,- 549,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2181
2,999,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2189
3.9
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
279,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TW137b
4.5 72×
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
Great price 139,- Save 10,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TW127a
4.2 133×
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
4.8 27×
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
99,-
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TW133b
4.4
Vodafone GIGA Card 100GB (e-sim)
SIM Card - Includes 100GB of data for the first month at no extra cost + 50GB each subsequent month when you renew your plan
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
Amazing Deal 349,- Save 100,-
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VDF531b1
4.6
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
99,-
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TW138b
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
299,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2175
4.8 42×
Vodafone unlimited calls to the Vodafone network
SIM Card - Includes 1.5GB of data + unlimited calls within the Vodafone network for the first month included in the price + 100 CZK of credit valid for 45 days
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
150,-
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VDF1006b
4.6 162×
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
79,-
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2186
4.6 162×
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
299,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2185
4.6 38×
Vodafone data card - 3.5 GB of data
SIM Card - Includes 3.5GB of data + unlimited calls and texts within the Vodafone network for the first month, included in the price + 100 CZK of credit 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
4.5 72×
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
179,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TW127b
4.6 162×
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
199,-
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
5.0
Vodafone Children's card with a six-month package included
SIM Card - Includes 2.5GB of data + unlimited calls within the Vodafone network for 6 months, all included in the price + 50 CZK in credit valid for 45 days
+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
450,-
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2178
5.0
Vodafone SIM gold eSIM
SIM Card - Includes 10GB of data + 5GB in the My Vodafone+ app, unlimited SMS within the Vodafone network for the first month included in the price + 50 CZK credit 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: VDF529be
5.0
OpenCall Prepaid card
SIM Card - 8 GB of data for the first month included (after that 249 CZK per month), pre-charged credit 100 CZK, price of calls in the Czech Republic 1.80 CZK/min. and good prices abroad, SMS for 1,50 CZK, no commitment or contract, the ideal choice for foreigners in the Czech Republic, customer support in six languages, 300 CZK credit bonus on first recharge min. 300 CZK
149,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2188
4.2 133×
O2 Datamanie 100GB - eSim
SIM Card - eSim, 100 GB of data for 30 days, connection to the 5G network anywhere in the Czech Republic, unlimited calls per day for 15 CZK, SMS for 2 CZK, possibility to transfer the current number to this eSIM card
449,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: O2184e
noveltySony Xperia 1 VIII (PREVIEW): Sony přidává AI Camera Assistant, klasické Xperia prvky ale drží dál Nová Sony Xperia 1 VIII přichází s novým teleobjektivem, AI nástroji pro focení i přepracovaným vzhledem zadní strany. Současně ale zachovává prvky, které už u většiny současných vlajkových telefonů téměř mizí – 3,5mm jack, microSD kartu nebo displej bez průstřelu. Co...
Samsung Galaxy S26 Ultra přichází s technologií Privacy Display, která mění způsob, jakým vnímáme soukromí na mobilu. Displej dokáže omezit viditelnost z bočních úhlů, aniž by zásadně ovlivnil obraz při přímém pohledu. Jde o praktický nástroj, nebo jen efektní...
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OnePlus představilo dvojici novinek Nord CE6 a Nord CE6 Lite. Oba telefony lákají hlavně na nadstandardně velké baterie, 144Hz displeje a Android 16. Pokud vás telefony zaujmou, musíme upozornit na jednu věc, kterou je nejistota ohledně dostupnosti těchto telefonů, i...
Samsung Galaxy Z Fold8 sice ještě nebyl oficiálně představen, internet už ale zaplavily první CAD rendery a spekulace. Podle dosavadních úniků chce Samsung vsadit hlavně na tenčí konstrukci, větší baterii a upravený pant displeje. Mluví se také o změnách kolem S Pen...
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SIM Cards

In the category SIM Cards on Alza.cz, we currently have a total of 36 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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