Hello @steharrison ,
Welcome to the community,
Are you on pay as you go or contract?
If on contract, have you checked that roaming, call abroad and premium calls are enabled? You can see this by logging into your account online or via the My EE App and clicking on settings. You are unable to do this, you will need to ring customer service at UK opening times. If you have Skype it should be free:
https://ee.co.uk/contact-ee/account-billing/mobile
Pay as you go is automatically enabled, but you need to make sure you have enough credit to make calls.
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.
