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January 2024 Area Code 510 Robocall Data

Calls Placed
14.2 Million
(4% MoM)
Per Day
Per Hour
Per Second
Avg. Calls Per Person

See historical robocalls by

Top 25 Robocallers to Area Code 510 in January 2024

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 916-800-1098 Sacramento, CA Bandwidth.com CLEC, LLC Prison Prepaid Call Prison Prepaid Call
2. 713-568-6986 Houston, TX Level 3 Communications Global Tel Link Timeshare Scam
3. 800-955-6600 Toll Free Bandwidth CLEC - Syniverse Capital One Bank/Credit Card Payment Reminder
4. 925-768-4542 San Francisco Bay Area, CA Verizon Wireless Unknown Unknown Robocaller
5. 510-244-6252 San Francisco Bay Area, CA Inteliquent Health Insurance Spam Unknown Robocaller
6. 510-992-3228 San Francisco Bay Area, CA Google Voice Religious Spam Fax Delivery Scam
7. 866-408-4070 Toll Free Toll Free Random Spam Bank/Credit Card Payment Reminder
8. 800-942-3767 Toll Free Twilio Aesop Substitute Teacher Alert
9. 888-934-6489 Toll Free Toll Free Comcast Customer Call
10. 510-322-8188 San Francisco Bay Area, CA Inteliquent Generic Robocaller Call Alert
11. 303-292-6560 Denver, CO Qwest Appointment Reminder Service Appointment Reminder
12. 619-937-3483 San Diego, CA Bandwidth.com CLEC, LLC Debt Collector Unknown Robocaller
13. 855-283-3957 Toll Free Toll Free 24HRFitness Membership/Subscription Payment Reminder
14. 209-933-7000 Fresno, CA Bandwidth.com CLEC, LLC Life Insurance Spam Student Absence Alert
15. 510-706-4824 San Francisco Bay Area, CA AT&T Wireless Messaging System Calling Messaging System Calling
16. 209-898-4940 Fresno, CA T-Mobile Unknown Unknown Robocaller
17. 510-779-9359 San Francisco Bay Area, CA Inteliquent Credit One Bank Bank Debt Collector
18. 209-993-2542 Fresno, CA AT&T Wireless Unknown Unknown Robocaller
19. 866-796-1592 Toll Free Toll Free Financial Customer Call Financial Customer Call
20. 800-255-5801 Toll Free Toll Free Sign-In Verification Sign-In Verification
21. 201-335-8331 Newark, NJ Bandwidth.com CLEC, LLC Random Spam Random Spam
22. 510-303-7811 San Francisco Bay Area, CA AT&T Wireless SOUSOU FARID Unknown Robocaller
23. 415-326-6657 San Francisco Bay Area, CA Inteliquent Medical Customer Call Medical Customer Call
24. 510-691-1203 San Francisco Bay Area, CA AT&T Wireless KAUR KULWINDER Unknown Robocaller
25. 510-566-7802 San Francisco Bay Area, CA AT&T Wireless Unknown Unknown Robocaller

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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