"zˈiəɹoʊwˈʌnsˈɛvənwˈʌnˌɛksˌɛksˈɛks ˌɛksˌɛksˌɛksˈɛks" nˈʌmbɚz tʃˈeɪndʒd tuː "zˈiəɹoʊ twˈɛnti sˈɛvən ˌɛksˌɛksˈɛks ˌɛksˌɛksˌɛksˈɛks", wˈaɪl "zˈiəɹoʊwˈʌnˈeɪtwˈʌnˌɛksˌɛksˈɛks ˌɛksˌɛksˌɛksˈɛks" nˈʌmbɚz bɪkˈeɪm "zˈiəɹoʊ twˈɛnti ˈeɪt ˌɛksˌɛksˈɛks ˌɛksˌɛksˌɛksˈɛks".
"0171-xxx xxxx" numbers changed to "(020) 7xxx xxxx", while "0181-xxx xxxx" numbers became "(020) 8xxx xxxx".