10690 is the SMS sending channel.

10655 Unicom

10657 mobile phone

10658 Telecom

The number segment at the beginning of 1062 is used for short message service in the province;

The number segment at the beginning of 1063 is used for non-operating short message service in the province;

The number at the beginning of 1065 is used for the self-operated business of basic operators;

The number at the beginning of 1066 is to provide inter-provincial or nationwide SMS service;

The number at the beginning of 1069 is a cross-provincial or nationwide non-profit service, which is allocated and managed by the Ministry of Industry and Information Technology.