Q: Forgot my apple id and email address but i remember all of my other information how do i go about reactivating my cell phone please help me!!

I had changed my password on my cell but i forgot it and then i had to reset factory reset my cell phone i dont remember my apple I do not remember the email address either. I remember all of my information for my cell phone company my number name its under 4 digit passcode everything else just not the apple id or email, i had placed a secondary email put its not helping me at all what should i do I need to get back into my phone.