how do I pull up my iCloud account if I don't know the old phone number and have a new phone number?
how do I pull up my iCloud account if I don't know the old phone number and have a new phone number?
You may need account recovery -- Two-factor authentication for Apple ID - Apple Support.
"If I can't sign in, how do I regain access to my account?
If you can’t sign in, access a trusted device, reset your password, or receive verification codes, you can request account recovery to regain access to your account."