How to query the short number of telecom mobile phone home network

1. When users in the same network make a phone call, the other party will display a short number;

2. Call 10000 to consult customer service;

3. Consult the front desk salesperson of the telecom business hall and tell the salesperson the trombone, and the salesperson can inquire about the trumpet;

4. Edit SMS: CXDH plus method. Just send your mobile phone number to 10000.