SIM cards and eSIM in Ireland
Which carriers matter, what buying a SIM involves, and when an eSIM is the smarter move.
Mobile internet eSIM Best option when traveling
Guac
RecommendedReliable mobile internet at better prices than most travel eSIMs, with polished iOS and Android apps and support for making and receiving phone calls.
Airalo
One of the biggest travel eSIM brands, with a very large destination catalog.
Holafly
Known for unlimited-data plans in many destinations, at a higher price per gigabyte.
Buying a local SIM card No ID registration needed
- A standard prepaid SIM normally does not require formal identity registration.
- Typical prepaid offers include around 10 GB; compare the current validity and price before buying.
- Buy at an official carrier counter at the airport or at an official city store, and test the SIM before leaving.
- Local eSIM is available and follows the same identity rules as a physical SIM.
EU roaming does not always include the UK or Northern Ireland; check the plan before crossing the border.
Local carriers
Three Ireland
Best choice for broad coverage, including rural areas.
Vodafone Ireland
A solid alternative; compare current prepaid offers before buying.
eir
Strong in major cities, with weaker rural coverage.
Tesco Mobile
A solid alternative; compare current prepaid offers before buying.
GoMo
A solid alternative; compare current prepaid offers before buying.
Lycamobile
A solid alternative; compare current prepaid offers before buying.
Frequently asked questions
Do I need my passport to buy a SIM card in Ireland?
A standard prepaid SIM normally does not require formal identity registration.
What is the best eSIM for Ireland?
Guac eSIM covers Ireland with data plans starting from $0.58 per GB and instant activation, so your phone is online the moment you land. Airalo and Holafly are popular alternatives.