Is 668 a short cell phone number?

Yes Mobile cornet is the abbreviation of cornet trunking network introduced by China Mobile. Cornet is a preferential service provided by Mobile for group customers. Mobile phones of employees in the group are set up in the group network, and mobile phone calls in the group network can enjoy certain discounts. Moreover, the group network can also set a 3-6-digit trumpet for the mobile phone in the network, and 668 is a 3-digit trumpet, which can be set as a mobile phone cornet.