Most durable mobile phone number (cellular phone number)

Most durable mobile phone number (cellular phone number)
Who
David Contorno
Where
United States (Lemont)
When
David Contorno, of Lemont, Illinois, USA, has owned and used the same mobile telephone number since 2 August 1985. His first mobile phone was an Ameritech AC140 and his carrier has been Ameritech Mobile Communications ever since. The phone number is 312-550-0512