https://community.o2.co.uk/t5/My-O2/Unknown-number-issue/m-p/1718278#M26211 <P>Thank you for your reply. The issue is that I'm getting it on all incoming calls. I haven't changed my phone or SIM card.&nbsp;</P> Thu, 16 May 2024 21:59:40 GMT Kevin703 2024-05-16T21:59:40Z https://community.o2.co.uk/t5/My-O2/Unknown-number-issue/m-p/1717847#M26189 <P>Unknown number issue</P><P>&nbsp;</P> Wed, 15 May 2024 10:58:40 GMT https://community.o2.co.uk/t5/My-O2/Unknown-number-issue/m-p/1717847#M26189 Kevin703 2024-05-15T10:58:40Z https://community.o2.co.uk/t5/My-O2/Unknown-number-issue/m-p/1717858#M26190 <P><a href="https://community.o2.co.uk/t5/user/viewprofilepage/user-id/5397220">@Kevin703</a>&nbsp;</P><P>What's the question?</P> Wed, 15 May 2024 11:37:30 GMT https://community.o2.co.uk/t5/My-O2/Unknown-number-issue/m-p/1717858#M26190 MI5 2024-05-15T11:37:30Z https://community.o2.co.uk/t5/My-O2/Unknown-number-issue/m-p/1717888#M26193 <P><a href="https://community.o2.co.uk/t5/user/viewprofilepage/user-id/5397220">@Kevin703</a>&nbsp;Are you being called by someone who is withholding their number? If so, there's nothing you can do. Don't answer the call and let it go to voicemail. If it's anything important, they'll leave a message. If it's becoming a nuisance you have the option of changing your number.&nbsp;Drastic and a pain in the rear to do, but an option nevertheless:&nbsp;<A href="https://community.o2.co.uk/t5/How-to-Guides/How-to-change-your-mobile-number/ba-p/1243868" target="_blank">How to change your mobile number - O2 Community</A></P> Wed, 15 May 2024 13:34:13 GMT https://community.o2.co.uk/t5/My-O2/Unknown-number-issue/m-p/1717888#M26193 Bambino 2024-05-15T13:34:13Z https://community.o2.co.uk/t5/My-O2/Unknown-number-issue/m-p/1718278#M26211 <P>Thank you for your reply. The issue is that I'm getting it on all incoming calls. I haven't changed my phone or SIM card.&nbsp;</P> Thu, 16 May 2024 21:59:40 GMT https://community.o2.co.uk/t5/My-O2/Unknown-number-issue/m-p/1718278#M26211 Kevin703 2024-05-16T21:59:40Z https://community.o2.co.uk/t5/My-O2/Unknown-number-issue/m-p/1718279#M26212 <P>Sorry I'm new on here. I have recently had 'unknown' show on all incoming calls. Even those in my contact list.&nbsp;</P> Thu, 16 May 2024 22:04:49 GMT https://community.o2.co.uk/t5/My-O2/Unknown-number-issue/m-p/1718279#M26212 Kevin703 2024-05-16T22:04:49Z https://community.o2.co.uk/t5/My-O2/Unknown-number-issue/m-p/1718291#M26213 <P><a href="https://community.o2.co.uk/t5/user/viewprofilepage/user-id/5397220">@Kevin703</a>&nbsp;See this thread:&nbsp;<A href="https://community.o2.co.uk/t5/Tech-Support/All-incoming-calls-show-as-unknown-caller/m-p/1697261#M45328" target="_blank">Solved: All incoming calls show as unknown caller - O2 Community</A></P> Fri, 17 May 2024 03:36:26 GMT https://community.o2.co.uk/t5/My-O2/Unknown-number-issue/m-p/1718291#M26213 Bambino 2024-05-17T03:36:26Z