Prefix 510-661

There are 1 phone numbers within prefix 510-661 that have resulted in reports by users.
 
The location of calls from 510-661 is Fremont-newark:oliver Da, California, USA. Most numbers in this area code are in US Pacific time, where the time is currently 4:36:25 PM on July 26, 2025. The telco provider for 510-661 is Pacific Bell.
 
Choose a phone number from the list below to browse user reports for 510-661. You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.