#Your mobile phone number has been used for several years # My mobile phone number has been used for almost 20 years, mainly because the mobile phone number retained in many places is this, such as buying a house before, banking, etc., and there is 2

# Your mobile phone number has been used for several years # My mobile phone number has been used for nearly 20 years, mainly because the mobile phone numbers retained in many places are this, such as buying a house before, banking, etc., and there is a network that was not developed 20 years ago, some old friends and old classmates mainly rely on telephone contact, and it is more troublesome to change.