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How to find an old phone number

LaurissaNesbitt
Level 1: Joiner
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on ‎09-02-2025 13:56

on ‎09-02-2025 13:56

Hi, I was wondering if it was possible if there was a way to find an old phone number that isn’t in use. I need to pay an outstanding bill but have no idea what the number is to pay it . Apparently I need it . I have an account number that I set the sim card up with but that’s no help and I can not sign in to the app !

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MI5
Level 94: Supreme
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on ‎09-02-2025 14:03

on ‎09-02-2025 14:03

@LaurissaNesbitt 

You need to contact O2.

Message them on Social Media. Facebook (https://o2uk.co/O2CFB) , Twitter (X)  (https://o2uk.co/O2CTW) or Instagram (https://o2uk.co/O2CIG)

I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
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