NUISANCE CALLS: Cold Calling – Back Market reveals the UK area codes where most calls originate

A new study has revealed that London is the area most exploited by cold callers. Refurbished tech experts Back Market analysed the number of nuisance call reports coming from 752 area codes in the UK, as  reported on, who called.co.uk to see which area codes receive the highest percentage of reports nationally. Researchers analysed the most recent comments left while making these reports to determine what people had to say about the most common scams nationally.

• London hosts the most nuisance callers by the percentage of all reports nationally, with 020 area codes accounting for one-fifth (20.14%) of UK reports.

• Manchester (0161) is second, with 3.44% of national reports, and Blandford Forum, Dorset, is third, with 2.86%, despite having a population of 11,796.

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