Reverse Phone Number Search | Phone Directory by Area Code Reverse Lookup Phone Search for Android Caller information for 302-304-8748 Here's what we found for the phone number 302-304-8748. Based on the 302 area code, this is a phone number from Delaware. Caller Name: Wilmington de - Debt Collector DE User Feedback Tom Not sure who is calling me. I've blocked their#, however they they still call Download our free reverse phone search app for Android to view all comments about this caller, or to submit your own.