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Some contracts are reduced in price if you already have services with the supplier.

For example, if you have BT Broadband, you save £5 per month on a BT Mobile SIM, or if you add an additional EE SIM to your account you can save money too.

Select any of the products you already have below to ensure that you find the best deals available.
The UK has four licenced network operators: EE, Telefonica UK (O2), Three and Vodafone providing services using a variety of mobile technologies.

There are a number of other companies that provide mobile network services such as Tesco, giffgaff and Virgin. These are known as MVNO (mobile virtual network operators) which lease network capability from one of the four licenced operators.

These are all listed below so you can determine which of the four network operators provides service.

EE O2 Three Vodafone
ASDA giffgaff ID Mobile Lebara
BT Mobile Lycamobile Three Sainsburys
co-op O2 Talkmobile
EE Tesco Mobile Vodafone
Family mobile
Orange
T-Mobile
The People's Operator
Utility Warehouse
Vectone
Virgin Mobile