-Which version of Mac OS X?
-Which version of iOS on your iPhone?
-In the iCloud settings on both the iPhone and the iMac, is Contacts enabled?
-If you login to iCloud via a web browser, can you see the Contacts there?
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.