The is an official website of Apple Support.
The site is legitimate if you visit it manually, but links to it or other websites can easily be forged.
To access your Apple id, you need the associated phone number.
They are dealing with your identity at this point - bottom line, which naturally is a very real and serious issue and should be taken with great care - Then, you simply have volume.
Apple will now evaluate your information to determine if you can reset your password.
Enter the code you got on another device.