Technically you could but as you know you need to create a separate account for that with visible.
Please note that most iPhones have single SIM card slot, however iPhones from iPhone X series supports eSIM. So you could have one number on physical SIM and another number on eSIM.
Please refer this article: https://support.apple.com/en-us/118669
Just another visible user, willing to help others.
Please mark my answer as solution if it helped you.
