EE offers an online chat facility. It's open 8am to 10.30pm seven days a week. Alternatively, if you prefer to call, you can do so either via 150 on a EE mobile or by calling 07953 966 150. The phone line is open Monday to Friday 8am to 9pm while it's open 8am to 8pm Saturday and Sunday. It's also possible to book an in-store appointment if you'd prefer to deal with an issue in person, or you can just visit your local store.