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 EE Coverage: Best SIMs With EE Signal

Networks like 1pMobile, IQ Mobile, Lyca Mobile, Spusu and Talk Home piggyback on EE's network for coverage.

Mobile Networks Using O2 Coverage: Who Uses O2 & Best SIM Cards

Networks like giffgaff, Sky Mobile & Tesco Mobile piggyback on O2's network for coverage.

Mobile Networks Using Three Coverage: Best SIMs With 3 Coverage

Networks like Honest Mobile, iD Mobile, SMARTY and Superdrug piggyback on Three's network for coverage.

Mobile Networks Using Vodafone Coverage: Best Piggyback SIMs

Networks like ASDA Mobile, Lebara Mobile, Talkmobile and VOXI piggyback on Vodafone's coverage in the UK.

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