Where is the first 20 digits of 106?

106 has 20 digits at the beginning, which is the short message service number of domestic SP company. The number at the beginning of 106 is the SMS service number of domestic SP company. To put it simply, the telephone number at the beginning of 106 is the number exclusively sent by the three major operators of China Mobile Unicom. This is not a phone number, so you can't dial it. The number at the beginning of 106 is only sent by SMS. Short messages sent by major apps and other software in life are all such short messages, and some notification short messages or marketing short messages are also sent at the numbers of 106, 106.