Welcome to the Zoom Community, @CoreMovement.
Are you asking how to upload videos from your iPhone to YouTube? The fact that it might have been a Zoom recording at one time or another is actually immaterial. Assuming you have an MP4 file, follow whatever procedure YouTube will accept.
You might start here:
https://support.google.com/youtube/answer/57407?hl=en&co=GENIE.Platform%3DiOS