topic transferer old number to O2 in Tech Support https://community.o2.co.uk/t5/Tech-Support/transferer-old-number-to-O2/m-p/1604100#M30514 <P>I have received new O2 sim card and have PAC number. How can I change number of my new O2 sim to my old number?&nbsp;</P> Mon, 20 Feb 2023 16:14:58 GMT RB2023 2023-02-20T16:14:58Z transferer old number to O2 https://community.o2.co.uk/t5/Tech-Support/transferer-old-number-to-O2/m-p/1604100#M30514 <P>I have received new O2 sim card and have PAC number. How can I change number of my new O2 sim to my old number?&nbsp;</P> Mon, 20 Feb 2023 16:14:58 GMT https://community.o2.co.uk/t5/Tech-Support/transferer-old-number-to-O2/m-p/1604100#M30514 RB2023 2023-02-20T16:14:58Z Re: transferer old number to O2 https://community.o2.co.uk/t5/Tech-Support/transferer-old-number-to-O2/m-p/1604103#M30516 <P>Details in this guide</P><P><LI-PRODUCT title="Guide: Migration &amp;amp; porting into O2" id="Guide064"></LI-PRODUCT>&nbsp;</P> Mon, 20 Feb 2023 16:25:31 GMT https://community.o2.co.uk/t5/Tech-Support/transferer-old-number-to-O2/m-p/1604103#M30516 Enlli 2023-02-20T16:25:31Z