1.
Try this -> Sign in to your Apple ID account page and edit / update your Apple ID details.
https://appleid.apple.com
-> edit your trusted phone number.
2.
May be you stil have that Apple ID, check your Apple ID via your email box, see this Apple article: If you forgot your Apple ID
If you forgot your Apple ID email address or phone number - Apple Support
OR see -> Having trouble signing in?
https://iforgot.apple.com/password/verify/appleid
See -> If you can't connect or sign in to iCloud
If you can't connect or sign in to iCloud - Apple Support
3.
See this Apple article: If your Apple ID is locked or disabled
If your Apple ID is locked or disabled - Apple Support (CA)
-> Get a verification code and sign in with two-factor authentication
Get a verification code and sign in with two-factor authentication - Apple Support
4.
Contact Apple for help with Apple ID account security
Contact Apple for help with Apple ID account security - Apple Support
5.
If you have deleted it, it is no longer valid, it simply no longer exists and it no longer works.
To understand about a deleted Apple ID, see the Apple articles below:
How to delete your Apple ID account
How to delete your Apple ID account – Apple Support (UK)
Understand and control the personal information that you store with Apple
Understand and control the personal information that you store with Apple - Apple Support