There are several reasons why you may not be receiving security codes from Instagram:
Technical issues.
Incorrect phone number or email address.
Weak or unstable connection.
Phone number is associated with multiple Instagram accounts.
Previously been blocked or suspended from Instagram.
By understanding the common reasons for this issue, you can take the necessary steps to address the problem and will know how to fix Instagram not sending a security code.
In the following, we will expand on these reasons above and give you some solutions to fix them.
After the guidance provided below, you can quickly fix the problem. We strongly recommend that you read it carefully!