Reverse Phone Number Search | Phone Directory by Area Code Reverse Lookup Phone Search for Android Caller information for 319-320-4688 Here's what we found for the phone number 319-320-4688. Based on the 319 area code, this is a phone number from Iowa. Caller Name: Reported Hang Up or Silent Call User Feedback Website Visitor filed a complaint with do not call registry on 9/30/16 Download our free reverse phone search app for Android to view all comments about this caller, or to submit your own.