How to recover an old gmail account

Hello,

Hi, im trying to recover my old, old gmail account that was (NOT available this number ************) old phone is changed. please send code my new phone number ************ has my old account linked to it. I need to unlock my old phone with my old gmail account and I do not remember my username/email or password for my old account. If you could please help me with re-opening my account I would highly appreciate it.
Thanks,

Email and phone number deleted by a moderator