https://community.three.co.uk/t5/Account-and-services/Losing-Mobile-Number/m-p/68065#M15327 <P><FONT size="4">We live in US but travel 2 or 3X a year to UK and EU. We have a 3UK mobile account and pay-as-you-go for each trip. We've registered our account to keep the number. But we only top-up when we travel. Lately we received a notice that our service would expire if we did not add a top-up. So we did but the plan expires in a few days as it was only good for a month.&nbsp; Will we lose our number if we let the plan expire?&nbsp; &nbsp;Thanks.</FONT></P> Thu, 16 Apr 2026 16:03:32 GMT AgenDavid 2026-04-16T16:03:32Z https://community.three.co.uk/t5/Account-and-services/Losing-Mobile-Number/m-p/68065#M15327 <P><FONT size="4">We live in US but travel 2 or 3X a year to UK and EU. We have a 3UK mobile account and pay-as-you-go for each trip. We've registered our account to keep the number. But we only top-up when we travel. Lately we received a notice that our service would expire if we did not add a top-up. So we did but the plan expires in a few days as it was only good for a month.&nbsp; Will we lose our number if we let the plan expire?&nbsp; &nbsp;Thanks.</FONT></P> Thu, 16 Apr 2026 16:03:32 GMT https://community.three.co.uk/t5/Account-and-services/Losing-Mobile-Number/m-p/68065#M15327 AgenDavid 2026-04-16T16:03:32Z https://community.three.co.uk/t5/Account-and-services/Losing-Mobile-Number/m-p/68069#M15328 <P>You must make a call/ send SMS every 180 days to keep number alive.<BR />Otherwise number will go back into the pool and get reallocated.</P> Thu, 16 Apr 2026 19:30:22 GMT https://community.three.co.uk/t5/Account-and-services/Losing-Mobile-Number/m-p/68069#M15328 Geluk 2026-04-16T19:30:22Z