Phone users are to be protected from high charges for calling ‘070’ numbers – which are often mistaken for mobiles, but cost much more to call - after it emerged that one in five calls to these numbers involve some kind of fraud.

https://www.scotsman.com/business/companies/retail/price-cap-introduced-as-one-in-five-calls-to-070-numbers-found-to-be-fraud-1-4807827