Payzone has been leading the way in the electronic distribution of mobile top up for several years.  We pioneered the first ever electronic distribution of prepaid mobile top-up for O2 in Ireland. Processing over 50 million mobile top-up transactions in Ireland each year, Payzone is the market leader in the electronic delivery of mobile top-up services to consumers.  We distribute top ups for all the Irish mobile phone operators through our Payzone Agents.