How is it that Hunan Tax Social Security changed its phone number and couldn't receive the verification code?

The reasons why Hunan Tax Social Security can't receive the verification code when changing the telephone number are as follows.

1, the mobile phone number is wrong.

2. There is no SMS or phone reminder.

3. If the above two items have been confirmed and you still can't receive the notice, you can directly contact Hunan tax and social security institutions or relevant service departments to explain the problem and ask for further information.