The number of China Unicom's SMS center starts with +86 130 10, followed by three digits, which is the serial number of SMS center allocated by provincial branches, and finally it is generally 500. This constitutes the short message center number of China Unicom.

Extended data

If the number of the short message center is wrong, the short message cannot be sent successfully and the message cannot be received. Each region has its own information center number. Please consult your local network operator for the specific number.

The short message service center is responsible for relaying, storing or forwarding short messages between the base station and the mobile station; The protocol from ME to SMSC can send short messages from or to mobile stations, and the protocol name follows GMS 03.40 protocol.

Before sending SMS, please set the SMS center number of the local operator in the mobile phone information setting menu, and then press Edit-> Send and other procedures in the mobile phone information menu.

References:

Information center number _ Baidu Encyclopedia?