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UK Mobile
Coverage
Checker

Mozillion uses the UK's Best Network named 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?

The 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:
The Nation's
The Nation's

#1 Network

The UK's Most
The UK's Most

Reliable Network

The UK's
The UK's

Fastest Network

The UK's Best
The UK's Best

5G Experience

The UK's Best
The UK's Best

Network for Video

The UK's Most
The UK's Most Reliable

Network for Mobile Gaming

The UK's Best
The UK's Best

Network for Calls

The UK's Best
The UK's Best

Network for Data Performance

You can read the full findings from independent specialists RootMetrics here: View Full Report

33%+

More than one-third of the entire UK population uses this network

99%

Population coverage across the UK

Fewest

Not-spots and dropouts than any other mobile network

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