What's the number of the mobile card short message center?

The number of SMS centers in different provinces and cities is different. Users can call the local mobile customer service phone number 10086 and press 0 to inquire manually.

When sending a text message, the text message is actually sent to this so-called "short message center" first. Then send it to the user at the specified number through it. Usually, the number of SMS centers varies according to the number attribution. Only when the settings are correct can you send short messages normally. If the setting of the SMS center is different from the number attribution (for example, the number of city A, and the SMS center is set to the number of city B), you can only receive SMS, but not send it.