I’ve been overcharged

[Yulia1]

I’ve been overcharged in the last 2-3 months for roaming even if I’ve been in the UK. It’s a double amount that I used to pay now. 
I can’t find any contact details where to complain… I definitely want my refund. 

[jonsie · Accepted solution]

You need to call customer service.

Call 202 from your mobile or use Skype to call 0800 032 1402

All other numbers and methods of contact are in this guide

Guide: Coronavirus Community Help and Support 

When you call, you will be asked for the reason you are calling,

Stay silent for 15 seconds and you will be taken to the keypad options.

Press 2 for Everything Else

Press 5 for More Options

Press 7 for Anything Else which will put you though to an advisor.

Press Upgrade, Lost/Stolen or Fraud if you have to.

8am is the best time to call