Switching to O2 is easy
Choose a Phone or Free SIM
Buy a new phone or choose a free SIM card if you are happy with your own phone.
Order Online
Pick a date for switching your number when you're ordering and it will be automatically switched on the date you selected.
Welcome to O2
When your order arrives just pop your SIM into your phone.
Some great reasons to switch to the O2 Network
Priority
Priority Moments
With Priority Moments you can get great discounts on fashion brands, cinema and meals out. Simply text PRIORITY to 50202 to get started.
Priority Music
Priority Tickets for The O2 go on sale 48 hours earlier. And the Priority queue gets O2 customers in the door first so you can chill out in our Priority Lounge. Go on, take your seat early.
Priority Rugby
If you're a massive rugby supporter like us, then you'll love how close we bring you to the team. Last year we gave away over 3,000 tickets to matches and we even put supporters' names on match jerseys.
Great Special Offers
Free Samsung S4 mini
Get the Samsung S4 mini for free on selected bill pay plans for a limited time only.
Find out more
Samsung Galaxy Young
Get the Samsung Galaxy Young for €49.99 on prepay when you upgrade or move your number to O2.
Choose a phone
Sim Only Offer
Unlimited calls & texts, plus 1GB of data for just €29.79 per month when you sign up online.
Get free simAnd there's more!
1.65 million customers have chosen O2 as their network
99.6% population coverage
Check coverage in your area
Award winning Irish based customer service
Switch online for 100% secure and free delivery
Best range of phones to suit your needs
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