Rolling plan - non stop text messages from O2

[Worldwide_1]

I have ported across from Vodafone to O2 due to free roaming and have set up a £10 rolling plan with my debit card.

I am continuously (multiple times every day) receiving un wanted text messages from O2 regarding the following;

1. Pay as you go Balance £0 , please top up

2. Sorry , your number doesn't support visual voice mail. Please contact your service provider.

How can I make these messages stop ? 

I'm not interested in voicemail as I don't use it and I don't understand why I should need to top up if a rolling plan has been set up with my debit card.

Please help , regards.

[pgn · Accepted solution]

The Visual Voicemail message appeared on my pixel 6a on first activating it - turn it off on your phone's dialler settings, the three dots top-right in your calling screen, Settings, Visual Voicemail and toggle it off, @Worldwide_1. This may also stop the 0 balance message, if not ask O2 to disable balance messages for you, use Social Media and the link just below this post to get through to them. Good luck!

[Worldwide_1]

Many thanks for the swift response.

[pgn]

You're welcome, @Worldwide_1 👍