pɹˈɪntᵻd ɹᵻvˈɜːs fˈoʊn dᵻɹˈɛktɚɹiz hɐvbɪn pɹədˈuːst baɪ ðə tˈɛlᵻfˌoʊn kˈʌmpəniz ɪnðə juːnˈaɪɾᵻd stˈeɪts fɔːɹ dˈɛkeɪdz, ænd wɜː dˈɪstɹɪbjˌuːɾᵻd tə ðə fˈoʊn kˈʌmpəniz, lˈɔː ɛnfˈoːɹsmənt, ænd pˈʌblɪk lˈaɪbɹɛɹiz.
Printed reverse phone directories have been produced by the telephone companies (in the United States) for decades, and were distributed to the phone companies, law enforcement, and public libraries.