How many times can I try the health code and mobile phone number verification code a day?

You can receive the verification code at least three times a day.

Because every time the verification code is sent, the service provider has to pay. In order to prevent some users from maliciously swiping the verification code by calling the interface, there is a limit on the number of verification codes that each mobile phone number can receive in a certain period of time. Generally, the interval is 24 hours, that is, you should receive the verification code after waiting for 24 hours.

Reason for not receiving verification code:

Reason one:

First of all, please make sure that your mobile phone is not in arrears. If your mobile phone is in arrears, of course, you can't receive the verification code and the phone can't be answered.

Reason two:

Secondly, look around the cell phone signal is good. If there is a wall around, it will often block some signals. You can try another place with good signals.

Reason three:

Another is that the technology of the party sending the verification code is not very good, which leads to the delay in sending the system. Only they can solve these technical problems.