In the UK, there are only four coverage providers: EE, O2, Three and Vodafone. All other mobile networks piggyback on one of these coverage providers.

When choosing a new mobile network, it’s worth knowing that they all use one of four coverage providers (either EE, O2, Three or Vodafone). By choosing a mobile network that shares the same coverage provider, you’ll often get exactly the same signal for a much lower cost.

In this section, we’ll list the mobile networks using coverage from each provider. We’ll also review the best value SIM card deals with coverage from each provider. Please select the mobile network you’re interested in having coverage from:

Mobile Networks Using Coverage From EE & Cheaper Piggyback SIMs

In the UK, 13 other mobile networks piggyback on coverage from EE. You can therefore get EE coverage from other networks at a fraction of the price.

Mobile Networks Using O2 Coverage & Cheaper O2 Piggyback SIMs

Mobile networks like giffgaff, Lycamobile, Sky Mobile and Tesco Mobile piggyback on O2's 2G, 3G and 4G coverage.

Mobile Networks Using Three Coverage & 3 Piggyback SIM Cards

In the UK, mobile networks like iD Mobile, SMARTY and Superdrug Mobile piggyback on network coverage from Three.

Mobile Networks Using Coverage From Vodafone & Piggyback SIM Cards

Mobile networks like VOXI and Lebara Mobile piggyback on Vodafone's coverage in the UK.

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