I lost all my contacts. How can I get them back. Can’t remember my id or password

Hello Budweiser73,

If the contacts were being synced by iCloud, and happened to be accidentally deleted, then this page can help out: If you accidentally deleted your calendars, bookmarks, or contacts from iCloud - Apple Support

If they were synced via iCloud then you may try logging into the iCloud website and check to see if they're still there: If you accidentally deleted your calendars, bookmarks, or contacts from iCloud - Apple Support

We note you mentioned having forgotten the Apple ID and password. To resolve that, try the suggestions from these pages:

If you forgot your Apple ID email address or phone number - Apple Support

If you forgot your Apple ID password - Apple Support

Cheers.