https://community.o2.co.uk/t5/Tech-Support/Change-of-number/m-p/1816265#M58249 <P>I have gone to change a number but think the wrong phone number may be changed!&nbsp;</P> Fri, 24 Oct 2025 09:57:50 GMT Jo-windell8 2025-10-24T09:57:50Z https://community.o2.co.uk/t5/Tech-Support/Change-of-number/m-p/1816265#M58249 <P>I have gone to change a number but think the wrong phone number may be changed!&nbsp;</P> Fri, 24 Oct 2025 09:57:50 GMT https://community.o2.co.uk/t5/Tech-Support/Change-of-number/m-p/1816265#M58249 Jo-windell8 2025-10-24T09:57:50Z https://community.o2.co.uk/t5/Tech-Support/Change-of-number/m-p/1816267#M58250 <DIV>You need to contact customer service</DIV><DIV>We’re just customers like you but it sounds like you’ll need someone to access your account which can’t be done from here. If you message O2 using the links below, they should be able to help you with this<BR />or give them a call on 202 or 0344 809 0202</DIV><DIV><SPAN><A class="" title="Protected by Outlook: https://community.o2.co.uk/t5/Welcome-News/How-to-find-help-amp-contact-O2-A-Guide/m-p/1201416. Click or tap to follow the link." href="https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcommunity.o2.co.uk%2Ft5%2FWelcome-News%2FHow-to-find-help-amp-contact-O2-A-Guide%2Fm-p%2F1201416&amp;data=05%7C02%7C%7C592f237495a54a528d4408dde6deceb2%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638920566815717557%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&amp;sdata=bLKf0BbqsAYTXxGyy45GuaiMVt8Kc3De85bGIZoY%2FxQ%3D&amp;reserved=0" target="_blank" rel="noopener">Guide: How to find help &amp; contact O2</A></SPAN>&nbsp;</DIV><DIV><LI-PRODUCT title="Guide: How to change your mobile number" id="Guide066"></LI-PRODUCT>&nbsp;</DIV> Fri, 24 Oct 2025 10:01:05 GMT https://community.o2.co.uk/t5/Tech-Support/Change-of-number/m-p/1816267#M58250 jonsie 2025-10-24T10:01:05Z