Freefone

/ ˈfriːˌfəʊn /

noun

1. a system of telephone use in which the cost of calls in response to an advertisement is borne by the advertiser

Example Sentences

Anyone with information about this incident has been asked to contact British Transport Police on Freefone 0800 40 50 40 quoting reference B8/WSA of 28/10/2013 or call the independent charity Crimestoppers anonymously on 0800 555 111.

From BBC

BTP asked for anyone with any information is asked to contact the force on freefone 0800 40 50 40 quoting background reference B7/WA of 30/05/2013.

From BBC