Reverse Phone Number Search | Phone Directory by Area Code Reverse Lookup Phone Search for Android Caller information for 925-231-0654 Here's what we found for the phone number 925-231-0654. Based on the 925 area code, this is a phone number from California. Caller Name: David Hallmark CA User Feedback Website Visitor hawkridge sysems solidworks sales rep Download our free reverse phone search app for Android to view all comments about this caller, or to submit your own.