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August 2019 Area Code 510 Robocall Data

Calls Placed
19.0 Million
(1.6% MoM)
Per Day
Per Hour
Per Second
Avg. Calls Per Person

See historical robocalls by

Top 20 Robocallers to Area Code 510 in August 2019

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 510-279-3226 San Francisco Bay Area, CA Level 3 Communications Unknown Telemarketing
2. 800-266-2278 Toll Free Zipwhip Customer Call Customer Call
3. 800-955-6600 Toll Free Bandwidth CLEC - Syniverse Capital One Bank/Credit Card Payment Reminder
4. 713-568-6986 Houston, TX Level 3 Communications Prison Call Payment Prison Call Consent
5. 510-902-6157 San Francisco Bay Area, CA Bandwidth.com CLEC, LLC (510) 902-6157 Remodeling Spam
6. 877-981-2153 Toll Free Toll Free Unknown Payment Reminder
7. 510-262-1290 San Francisco Bay Area, CA Bandwidth.com CLEC, LLC Unknown Unknown Robocaller
8. 877-647-8551 Toll Free Zipwhip Wells Fargo Bank/Credit Card Payment Reminder
9. 808-264-4105 Honolulu, HI Verizon Wireless Unknown Unknown Robocaller
10. 510-609-1415 San Francisco Bay Area, CA Bandwidth.com CLEC, LLC (510) 609-1415 Unknown Robocaller
11. 562-401-5940 Los Angeles, CA Frontier Kaiser Permanente Service Alert
12. 800-743-5000 Toll Free Toll Free Electric Bill Scam Service Payment Reminder
13. 510-564-3366 San Francisco Bay Area, CA Utility Telecom Group (510) 564-3366 Generic Robocaller
14. 510-379-9303 San Francisco Bay Area, CA Inteliquent Substitute Teacher Alert Substitute Teacher Alert
15. 360-322-6089 Seattle, WA Comcast SPAM Unknown Robocaller
16. 888-843-9802 Toll Free Toll Free Nordstrom Payment Reminder
17. 510-208-6139 San Francisco Bay Area, CA Pacific Bell Spam Caller/phishing Unknown Robocaller
18. 877-671-7416 Toll Free Toll Free ADT Security Services Payment Reminder
19. 925-248-9529 San Francisco Bay Area, CA Bandwidth.com CLEC, LLC Prison Call Payment Prison Call Consent
20. 800-997-1468 Toll Free Toll Free No name Chinese Language Scam

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

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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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