Ireland is an island located in the North Atlantic and it is the third-largest island in Europe. Tourism in the Republic of Ireland is one of the biggest contributors to the economy of the country. You can visit cities like Dublin (the capital), Cork and Limerick, and enjoy attractions like zoos, museums, and castles.  

Now, if Ireland is one of your next destinations, then you will probably need a SIM card that lets you make international calls, send text messages, browse with unlimited data or Roam like at home in Europe. In this article, you will find the different local networks that work in Ireland and an excellent option if you need an international prepaid SIM card, so you will be able to use your mobile phone wherever you go.


What Are The Best SIM Cards for Ireland?


 About the providerSim Card Features 
Welcome to O2 – one of the biggest operators in Europe. It is your reliable connection to the world and your home. Discover the beauties of Ireland with our Prepaid Card. Browse the internet everywhere in Europe and enjoy free calls to the O2 network.
  • Data: 5GB
  • Calls: 50 CZK
  • SMS: 50 CZK
  • Credit validity: 30 days
  • Only US $24.90
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Orange SA is one of the oldest mobile network providers in France. They commit to the best network and recently were awarded as best operator for the eighth time in a row. With the available Travel Prepaid SIM Cards for Europe, you can enjoy a great internet experience through Ireland and Europe. Make international calls or send international text messages from Ireland to worldwide.
  • Data: 8GB*
  • Calls: Unlimited*
  • SMS: Unlimited*
  • Credit validity: 14 days
  • Only US $29.90
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Go Roam by Three U.K. lets you use your call, text and data allowance in 71 destinations around the world at no extra cost. Sit back, relax and never worry about roaming charges while traveling in Ireland. Multiple years in a row, Three U.K. has been awarded as the best network for roaming. When are you traveling with Three U.K.?
  • Data: 10GB*
  • Calls: Unlimited
  • SMS: Unlimited
  • Credit validity: 30 days
  • Only US $29.90
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As one of the biggest network providers in Europe, Three U.K. provides its services to more than 130 million users worldwide. Stay connected to a fast internet network in Ireland and enjoy voice, text & data.
  • Data: 12GB
  • Calls: Unlimited
  • SMS: Unlimited
  • Credit validity: 30 days
  • Only US $39.90
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Going on vacation or business trip to Ireland? With Orange Holiday Europe you do not have worry about roaming charges anymore. Browse the internet in all European countries with the best networks available, make calls and send SMS from Europe to your home around the world at no extra cost – guaranteed! Orange has been awareded as the number 1 mobile network for the 8th consecutive time.
  • Data: 20GB
  • Calls: Unlimited*
  • SMS: Unlimited*
  • Credit validity: 14 days
  • Only US $49.90
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The first SIM Card that truly covers every country in the whole world! Enjoy a great internet experience within Ireland with the ISP Orange. They commit to provide the best service possible and have been awarded as the best internet operator in France many times in the row.
  • Data: 10GB
  • Calls: Not included
  • SMS: Not included
  • Credit validity: 14 days
  • Only US $49.90
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With internet from Three U.K. and its Pay as you Go (PAYG) Prepaid SIM Card, stay connected to the internet in Ireland for a whole year. Experience one of the best network connections and never worry about losing connection again.
  • Data: 12GB
  • Calls: Not included
  • SMS: Not included
  • Credit validity: 1 Year
  • Only US $59.90
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Stay connected to the internet for up to 2 years with the new PAYG Internet data SIM Card by Three U.K.! Enjoy superior international internet roaming service by Three U.K. in Ireland.
  • Data: 24GB
  • Calls: Not included
  • SMS: Not included
  • Credit validity: 2 Year
  • Only US $79.90
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What is The Best Ireland SIM Card?


SimOptions – The Best International SIM Cards 


This company provides the best international SIM cards all around the world. Maybe you just want to travel to Ireland this year, but what if you suddenly need or want to travel to another country? In that case, an international SIM card is the best option for you because SimOptions SIM cards have coverage in more than one country. That means you can travel around without having to buy a different SIM card each time. This is an excellent option for those who love to travel!

How can you get one of these SIM cards? Just enter their website and you will find different options to choose depending on how much data you need. Remember to check the country coverage to know which destinations are included in your card.

When you select your SIM card, then you need to pay with your credit card through a fully secure payment method 

Here below you have the details about each SIM card:


Go Card | $24.90 - 5GB

  • Data: 5GB
  • Calls: 50 CZK
  • SMS: 50 CZK
  • Credit validity: 30 days

PAYG AIO15 | $29.90 - 10GB*

  • Data: 10GB*
  • Calls: Unlimited
  • SMS: Unlimited
  • Credit validity: 30 days

Holiday Zen | $29.90 - 8GB*

  • Data: 8GB*
  • Calls: Unlimited*
  • SMS: Unlimited*
  • Credit validity: 14 days

PAYG AIO20 | $39.90 - 12GB

  • Data: 12GB
  • Calls: Unlimited
  • SMS: Unlimited
  • Credit validity: 30 days

Holiday Europe | $49.90 - 20GB

  • Data: 20GB
  • Calls: Unlimited*
  • SMS: Unlimited*
  • Credit validity: 14 days

PAYG MBB 12GB | $59.90 - 12GB

  • Data: 12GB
  • Calls: Not included
  • SMS: Not included
  • Credit validity: 1 Year

PAYG MBB 24GB | $79.90 - 24GB

  • Data: 24GB
  • Calls: Not included
  • SMS: Not included
  • Credit validity: 2 Year

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Eircom Limited – The largest operator in the country


This company is a fixed, mobile and broadband telecommunications company considered the largest operator in the country. Eircom operates LTE (4G) HSDPA (3G) and GSM/EDGE (2.75G) mobile telephone networks. You can get your SIM card for free on their website or at their shops with unlimited data, along with unlimited calls or texts for €20 ($22.16) top-up. Their network offers more than 97% 4G coverage across Ireland, with 99% population coverage.

They have an option called Eir WiFi Calling, which lets you use your smartphone to call and text over any WiFi connection so you can now get even better mobile coverage anywhere in Ireland. 

Finally, they have plans that include No Limits Data, which allow you to watch series on Netflix, stream music for hours, play or watch YouTube all night. As its name suggests, there are no limits with this SIM!

Now let’s see the Prepay Plans they have available for you:


No Limits Calls | € 10 ($11.08)


  • Calls: unlimited 
  • Credit Validity: 4 weeks

No Limits Data 1 | € 20 ($22.16)


  • Data: unlimited (7.3 GB in the EU)
  • Calls: unlimited (without texts)
  • SMS: unlimited (without calls)
  • Credit Validity: 4 weeks

No Limits Data 2 | € 30 ($33.23)


  • Data: unlimited (10.9 GB in the EU)
  • Calls: unlimited 
  • SMS: unlimited 
  • Credit Validity: 4 weeks

Now, let’s take a look at the Bill Pay Plans if you think this is a better option for you. It is important to know that the rates when you are out of bundle are the following: 

99c per day for 250MB, 2c per MB/€20.48 ($22.69) per GB thereafter. 


Eir Mobile Connect | € 14.99 ($16.61)


  • Data: unlimited (30 GB in the EU)
  • Calls: unlimited 
  • SMS: unlimited 
  • Credit Validity: 4 weeks

Eir Mobile Complete | € 19.99 ($22.15)


  • Data: unlimited (50 GB in the EU)
  • Calls: unlimited (200 min international)
  • SMS: unlimited (200 international)
  • Credit Validity: 4 weeks

Find more information about their SIM cards and how to activate the services visiting their website. 



Three Ireland – Unlimited services 


This is a telecommunications and internet service provider operating in Ireland since 2005. They provide 3G and 4G mobile phone services, and the SIM cards they have available may be good for you because of their prices and services. With Three you can get a card in three different sizes that fit nano, micro, and mini-SIM devices. They offer great deals for Pay As You Go and Contract customers; you just choose the best option for you on your trip to Ireland.  

With SIM-Only, you will be able to keep your old phone and pop in the new SIM that they will send you. Three makes roaming easier and the EU data allowances mean you can stay in touch wherever you go, not only in Ireland! The SIM-Only Plans they have available are the following:


Prepay 3Pay SIM | € 20 ($22.16)


  • Data: unlimited (8 GB in the EU)
  • Calls: unlimited 
  • SMS: unlimited 
  • Credit Validity: 28 days

Bill Pay 3 Unlimited Flex Max SIMO | € 30 ($33.23)


  • Data: unlimited (11 GB in the EU)
  • Calls: unlimited 
  • SMS: unlimited 
  • Credit Validity: 30 days

Are you interested in one of these SIM cards? Then visit their website.



Vodafone Ireland Limited – Subsidiary of Vodafone Group 


This company is the largest mobile phone operator in Ireland in terms of active subscribers. Vodafone operates a full range of voice, SMS, MMS, and mobile data. Their 4G network is available to over 6 cities and 500 towns in the country. They offer a full range of contract (bill pay) and prepay services, including mobile telephony and mobile broadband. Their free SIM card can be obtained online, and then you can add a Prepay Plan or a Bill Pay plan, depending on your needs.

Let’s take a look at the Bill Pay plans with roaming across Europe included:


Red Complete SIM-Only | € 25 ($27.70) – 20 GB


  • Data: 20 GB
  • Calls: unlimited (100 min international)
  • SMS: unlimited (100 international)
  • Credit Validity: 30 days

Red Max SIM-Only | € 35 ($38.77) – 50 GB


  • Data: 50 GB
  • Calls: unlimited (500 min international)
  • SMS: unlimited (500 international)
  • Credit Validity: 30 days

Now let’s see the prepaid options, with roaming across Europe included:


Chat Extra | € 20 ($22.16) – 10 GB


  • Data: 10 GB
  • Calls: unlimited to any network
  • SMS: unlimited to any network
  • Credit Validity: 30 days

Smart Extra | € 20 ($22.16) – 20 GB


  • Data: 20 GB
  • Calls: unlimited (Vodafone)
  • SMS: unlimited (Vodafone)
  • Credit Validity: 30 days

Extra | € 30 ($33.23) – 30 GB


  • Data: 30 GB
  • Calls: unlimited to any network
  • SMS: unlimited to any network
  • Credit Validity: 30 days

To activate your new SIM card and find more about Vodafone, visit their website. 



Tesco Mobile Limited – MVNO


This is a Mobile Virtual Network Operator (MVNO) in Ireland, United Kingdom, Slovakia, Hungary, and the Czech Republic. It operates in Ireland using the Three network operators. They have a Pay As You Go free SIM that you can order online. There are the Rocket Packs that are bundles of set amounts of data, minutes and texts that last one month. On Triple Credit, you simply pay for what you use. Calls start from 25p a minute and data are 10p a MB. Plus they triple your credit when you top-up £10, £15 or £20, and it lasts one month. You can take your minutes, texts and data in Europe with Home from Home. Finally, you can also keep your phone number if you are switching from another network.

Here below are the different data packages: 


Rocket Pack £10 | £10 ($12.92) – 4 GB


  • Data: 4 GB
  • Calls: 500 min
  • SMS: 5000
  • Credit Validity: 30 days

Rocket Pack £15 | £15 ($19.38) – 8 GB


  • Data: 8 GB
  • Calls: 1000 min
  • SMS: 5000
  • Credit Validity: 30 days

Rocket Pack £20 | £20 ($25.84) – 16 GB


  • Data: 16 GB
  • Calls: 2000 min
  • SMS: 5000
  • Credit Validity: 30 days

Visit Tesco for more information.


The price, amount of data, calls; texts and roaming are some factors to consider when you want to buy a SIM card.

We hope that this article has helped you in your research about the best SIM card for Ireland. We are sure that you will enjoy your trip if you choose any of the SIMs mentioned in this article!


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