Coverage
We do everything we can to make sure O2 customers have great coverage both at home and abroad. So you can be sure that coverage and roaming is the one aspect of your business you don't have to worry about.
In Ireland
Within our coverage in Ireland section, you can find view O2's coverage map and get information on the latest network improvements in your area.
Travelling abroad
O2 keeps you in touch when roaming.
Find out about roaming costs, business anywhere roaming and business partner networks, or simply download one of our European or US city travel guides.
