Three Mobile Follow The ZIPZERO Team 22 February 2022 16:33 Updated Name of service provider: Hutchison 3G UK Limited Sort code: 40-02-50 Bank account: 81238817 Customer account number: Use your Three account number as the reference. You can find it at the top of your bill and it begins with a 9. Related articles Vodafone How does Online Shopping work? EON Is £10 the maximum I can use to cash out towards my bills? Why haven’t my Reward Units for online shopping appeared in my wallet? Comments 0 comments Please sign in to leave a comment.