To keep your Pay As You Go number active, you must use it for at least one chargeable activity - like making use of existing top-up credit or Data Pack allowance, adding top-up credit, buying a new Data Pack, or making telephone call, sending a text, or using the internet on Three’s mobile network - every 180 days.
Data Packs give you more
Make your money go further. Choose your monthly data, and get unlimited minutes and texts included. And there's no commitment, so you can cancel anytime. Or auto-renew to keep it going.