æz sˈɛljʊlɚ fˈoʊnz bɪkˌʌm mˈoːɹ pˈɑːpjʊlɚ, ðɛɹ hɐvbɪn plˈænz tə ɹᵻlˈiːs sˈɛl fˈoʊn nˈʌmbɚz ˌɪntʊ pˈʌblɪk fˈoːɹhˈʌndɹɪd ɪlˈɛvən ænd ɹᵻvˈɜːs nˈʌmbɚ dᵻɹˈɛktɚɹiz vˈaɪəɹ ɐ sˈɛpɹət wˈaɪɚləs tˈɛlᵻfˌoʊn dᵻɹˈɛktɚɹi.
As cellular phones become more popular, there have been plans to release cell phone numbers into public 411 and reverse number directories via a separate Wireless telephone directory.