The strength of a mobile signal varies depending on where you live and which provider you choose.
So, just because you enjoy a strong signal with your current provider doesn't mean that a competitor will necessarily provide the same coverage.
Ofcom's powerful interactive tool provides a single-stop for consumers and businesses across the UK to discover the quality of the mobile coverage in areas where they live and work, or somewhere they intend to move.
Users can zoom to a specific location on a UK map, or simply enter a place name or postcode, to receive data on coverage for each mobile network - down to 100 square meters. The map uses data provided by EE, O2, Three and Vodafone.
Each area has been ranked with a colour-coded system, with green showing the highest likelihood of mobile coverage and red the lowest. The map shows:
The new tool has also been updated to include information about superfast broadband availability and average download speeds in a given postcode.