https://community.o2.co.uk/t5/Tech-Support/Changed-number/m-p/1498794#M13390 <P>Hi if you change your 02 number does it become disconnected ? And if someone tried to call the old number does it go voicemail or does it say no longer in service?</P> Sat, 23 Oct 2021 07:28:30 GMT Laura40 2021-10-23T07:28:30Z https://community.o2.co.uk/t5/Tech-Support/Changed-number/m-p/1498794#M13390 <P>Hi if you change your 02 number does it become disconnected ? And if someone tried to call the old number does it go voicemail or does it say no longer in service?</P> Sat, 23 Oct 2021 07:28:30 GMT https://community.o2.co.uk/t5/Tech-Support/Changed-number/m-p/1498794#M13390 Laura40 2021-10-23T07:28:30Z https://community.o2.co.uk/t5/Tech-Support/Changed-number/m-p/1498898#M13415 <P><a href="https://community.o2.co.uk/t5/user/viewprofilepage/user-id/4656509">@Laura40</a>&nbsp;</P><P>It goes out of service until reallocated so would just get a disconnected message.&nbsp;</P> Sat, 23 Oct 2021 19:44:05 GMT https://community.o2.co.uk/t5/Tech-Support/Changed-number/m-p/1498898#M13415 MI5 2021-10-23T19:44:05Z https://community.o2.co.uk/t5/Tech-Support/Changed-number/m-p/1501082#M13748 <P>So if you call the number will</P><P>it say you’ve dialled an incorrect number? Or does that mean something different?</P> Mon, 01 Nov 2021 07:51:12 GMT https://community.o2.co.uk/t5/Tech-Support/Changed-number/m-p/1501082#M13748 Laura40 2021-11-01T07:51:12Z