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Mobile Network Coverage Checker
UK Mobile Coverage Checker
Mozillion uses the multi-award-winning EE network, named the UK's Best Network in 2025 for the 12th year running.
Here, you can check Mozillion's coverage in the places that matter to you most. You can also see where the fastest 5G speeds are available.
Remember, Mozillion also supports Wi-Fi calling, so wherever there's good Wi-Fi your coverage will be excellent.
Why is Mozillion's coverage the best?
Independent specialist RootMetrics has found our network wins every time.
In the first six months of 2025 they conducted over 500,000 tests in major cities, rural communities and 22,000 miles of roads across the four nations.
The results concluded that Mozillion's customers get:
You can read the full findings from independent specialists RootMetrics here:
View Full ReportMozillion's network – fast facts:
More than one-third of the entire UK population uses this network
Population coverage across the UK
Not-spots and dropouts than any other mobile network