Hello @Maria111111 ,
Welcome to the community,
If on contract, please make sure that you have enabled roaming on your account, no need for pay as you go, as it is automatically enabled.
You can check here for roaming:https://ee.co.uk/help/mobile/roaming/roaming-costs
To contact EE customer service dial 150 from your mobile phone or ring customer service for free using Skype or another phone: +44 800 079 8586 or +44 800 956 6000.
