This forum is not for ChatGPT support, if you need help with your account, payment, etc, please visit https://help.openai.com
Please DO NOT SHARE personal information (email, credit card, etc) or account related details publicly.
There may be a prohibition in place that you have encountered, such as not being from a supported country, or the phone number lookup not providing enough identity information, or the email being an anonymous service. (or being previously banned)
Also, you show a birthday box, so ensure you are using the USA date format of MM/DD/YYYY (month,day,year) and are of age.