Hey djm4242,
Do the contacts have the # symbol in front of them in Entourage or Address Book?
If they show up with the symbol in Address Book or Entourage, they would show up the same way on the iPhone when synced to it.
If the # symbol does not appear on the contacts in Address Book, Backup Address Book from the File menu and then Reset the Sync History. This article:
http://support.apple.com/kb/TA23030 will walk you though Resetting the Sync History.
Make sure you have the latest software updates for your Mac and the Entourage application. To update your Mac just click the Apple icon in the top left corner of the screen and then Software Update.
-Jason