Hello @Gaz1981 ,
Welcome to the community,
What add-on charges are you writing about? Need more information in order to help you.
Are these call charges to numbers not included in your plan such as 0845 0870 etc?
MMS messages, that is picture messages are not included in your plan, they are extra.
To contact EE customer service dial 150 from your mobile phone or ring customer service for free using web based app or another phone: +44 800 079 8586 or +44 800 956 6000.
