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Pay Monthly or Pay & Go. It's your choice. We have Pay Monthly tariffs to suit all budgets, or if you prefer to pay by topping up, all our Pay & Go tariffs come with a little something extra.
Choose from our range of best value tariffs on Pay Monthly or Pay & Go, whatever suits you. Keep our old phone and number.
Check prices on making calls back to the UK when you're abroad and how much it is to call friends, family and colleagues in other countries. And our International Bolt Ons can help you save money wherever you're calling.
Choose from our range of single and sharer tariffs to suit your business needs.
Get online wherever you are. Can't live without it? Pay monthly by direct debit for constant access. Or get it when you need it and pay as you go.
Got an iPad? Get an O2 micro sim. Then choose to get online all the time with a Pay Monthly direct debit, or get it when you need it with Pay & Go.