Very old contacts are showing up on iphone.....
I wiped my phone (iphone 7) clean a few days ago to fix a problem. Syncing everything back, I now have a TON of VERY old contacts listed...including some that are just email addresses. I thought it was an iCloud thing, but logging into iCloud shows only the contacts that are current. Where in the heck are these ancient contacts coming from and how do I get rid of them for good? Thanks for the help!
iPhone 7, iOS 11.3, ipad mini 2