Calls from Leeds 0113 saying they are O2. Is this legit?

[WillH]

I had a call from 01138684226 today. My phone told me it was suspected scam/phishing, which is interesting.

They left an answermachine message, "Hi this is Ellie from O2 calling ***** ***** (my true name) to talk about your complaint....."

Legit?

I do have a complaint with O2, but the phone (Pixel 8 on O2) flagged it as spam/bad.

Question: do the O2 complaints team ring from a landline in Leeds?

[OfflineBloke]

I had a call from this number today. Some bloke in the Philippines. ( I couldn't understand what he said his name was.)
He was unable to provide the last four digits of the account number so I concluded it was a scam.
I have had no email communication with O2 customer service because I can't find an address for them.

[pgn]

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@OfflineBloke wrote:

 ...
I have had no email communication with O2 customer service because I can't find an address for them.

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 At the bottom of every page on the website, @OfflineBloke "Contact us" - https://www.o2.co.uk/contactus

[Oxonian]

The first question that you could ask yourself @OfflineBloke is why would O2 be contacting me ? 

If you have a current query or open complaint, I'd call O2 using the methods that are in the guide that @pgn has provided. If you have no idea what it is about, I would be inclined to forget about it. 👍