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March 2020 Area Code 510 Robocall Data

Calls Placed
16.2 Million
(-14.7% MoM)
Per Day
Per Hour
Per Second
Avg. Calls Per Person

See historical robocalls by

Top 20 Robocallers to Area Code 510 in March 2020

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 510-200-0355 San Francisco Bay Area, CA Inteliquent Electric Bill Scam Electric Bill Scam
2. 510-231-1100 San Francisco Bay Area, CA Bandwidth.com CLEC, LLC School Announcement School Announcement
3. 510-879-8200 San Francisco Bay Area, CA Teleport Communications Oakland Unified School Dist Unknown Robocaller
4. 929-732-9279 New York, NY T-Mobile Unknown Unknown Robocaller
5. 888-934-6489 Toll Free Toll Free Comcast Customer Call
6. 800-743-5000 Toll Free Toll Free Electric Bill Scam Service Payment Reminder
7. 408-413-4346 San Francisco Bay Area, CA Inteliquent Religious Spam Religious Spam
8. 510-992-3228 San Francisco Bay Area, CA Google Voice Bishop Clark Unknown Robocaller
9. 562-401-5940 Los Angeles, CA Frontier Prescription Shipped Alert Service Alert
10. 713-568-6986 Houston, TX Level 3 Communications Prison Call Payment Prison Call Consent
11. 510-952-1202 San Francisco Bay Area, CA Peerless Network Vehicle Warranty Scam Vehicle Warranty Scam
12. 510-952-1160 San Francisco Bay Area, CA Peerless Network Vehicle Warranty Scam Vehicle Warranty Scam
13. 925-560-5950 San Francisco Bay Area, CA Pacific Bell CTY OFC ALAMEDA Unknown Robocaller
14. 800-955-6600 Toll Free Bandwidth CLEC - Syniverse Capital One Bank/Credit Card Payment Reminder
15. 510-471-1100 San Francisco Bay Area, CA Bandwidth.com CLEC, LLC Student Absence Alert Student Absence Alert
16. 855-910-8342 Toll Free Twilio API Healthcare Medical Customer Call
17. 800-285-8585 Toll Free Toll Free Interest Rate Scam Interest Rate Scam
18. 510-338-9063 San Francisco Bay Area, CA Peerless Network Unknown Unknown Robocaller
19. 916-509-7780 Sacramento, CA U.S. Telepacific Corp. School Announcement School Announcement
20. 612-815-5872 Minneapolis, MN MCI Metro ATS Target Bank/Credit Card Payment Reminder

Robocalls by Category

California Cities in Area Code 510

Alameda, Albany, Berkeley, Castro Valley, Contra Costa, Crockett, El Sobrante, Emeryville, Fremont, Hayward, Hercules, Newark, Oakland, Pinole, Richmond, Rodeo, San Francisco, San Francisco Bay Area, San Jose, San Leandro, Sunnyvale, Union City, Walnut Creek

YouMail's Top 100 Robocallers

See which numbers are the highest volume robocallers!

How does the YouMail Robocall Index™ Work?

The YouMail Robocall Index™ estimates monthly robocall volume in the US, as well as in various regions, and highlights the worst offenders. The index works by extrapolating the data collected from the many tens of millions of calls made each month to YouMail users.

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