Your post was blank @elle11
You'll need to post a bit more info if you want assistance from the community forum.
You can't bring an Irish number abroad.
If you want to retain it here then you'll need to keep your account active by buying a membership plan every so often to keep the account going.
I think this would be every 6 or 12 months but you would have to check the exact details in the terms and conditions.
If you need to contact 48 support about this then see the link in my signature below or email them at support@48months.zendesk.com
