I would recommed either using the my network app to report the issue, or going to https://status.o2.co.uk/ and enter your post code and then select report a problem.
- Xperia 1V - o2 and Spusu - Pixel 8 Pro - o2 and Vodafone UK
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.
Currently using: Pixel 7a (O2 & Lyca), One Plus 6 (Sfr), iPhone 12 Pro Max (Vodafone)