Put Robocallers Out of Business

YouMail blocks robocalls and notifies the authorities.

150,000+ ratings

December 2018 Area Code 408 Robocall Data

Calls Placed
18.1 Million
arrow_circle_down
(-3.2% MoM)
Per Day
584.1K
Per Hour
24.3K
Per Second
6.8
Avg. Calls Per Person
10.4

See historical robocalls by

Top 20 Robocallers to Area Code 408 in December 2018

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 800-787-4196 Toll Free Toll Free (800) 787-4196 Debt Collector
2. 408-357-2140 San Francisco Bay Area, CA Telnyx, LLC Unknown Vehicle Warranty Scam
3. 800-358-2090 Toll Free Toll Free Unknown Chinese Language Scam
4. 800-266-2278 Toll Free Zipwhip Customer Call Customer Call
5. 408-385-2640 San Francisco Bay Area, CA Inteliquent Google Listing Scam Google Listing Scam
6. 713-568-6986 Houston, TX Level 3 Communications Prison Call Payment Prison Call Consent
7. 800-955-6600 Toll Free Bandwidth CLEC - Syniverse Capital One Bank/Credit Card Payment Reminder
8. 877-647-8552 Toll Free Toll Free Unknown Bank/Credit Card Payment Reminder
9. 415-729-1621 San Francisco Bay Area, CA Unknown Dish Network Auth Retailer Unknown Robocaller
10. 800-887-5749 Toll Free Toll Free Unknown Unknown Robocaller
11. 800-942-3767 Toll Free Twilio Substitute Teacher Alert Substitute Teacher Alert
12. 408-535-6425 San Francisco Bay Area, CA Inteliquent Substitute Teacher Alert Substitute Teacher Alert
13. 562-401-5940 Los Angeles, CA Frontier Kaiser Permanente Service Alert
14. 669-266-6750 San Francisco Bay Area, CA Bandwidth.com CLEC, LLC Prison Call Payment Prison Call Payment
15. 669-273-0917 San Francisco Bay Area, CA Inteliquent Credit One Bank Financial Customer Call
16. 408-963-0854 San Francisco Bay Area, CA Unknown Unknown Unknown Robocaller
17. 844-362-9883 Toll Free Toll Free Debt Collection Scam Debt Collection Scam
18. 669-273-0817 San Francisco Bay Area, CA Inteliquent Credit One Bank Financial Customer Call
19. 408-758-9285 San Francisco Bay Area, CA Inteliquent Unknown Unknown Robocaller
20. 408-758-9273 San Francisco Bay Area, CA Inteliquent Unknown Unknown Robocaller

Robocalls by Category

California Cities in Area Code 408

Campbell, Fremont, Gilroy, Hollister, Los Gatos, Milpitas, Morgan Hill, Mount Hamilton, Salinas, San Francisco Bay Area, San Jose, San Juan Bautista, San Martin, Santa Clara, Saratoga, Sunnyvale, Tres Pinos, Watsonville

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.

Working on a robocall story? We can help!

We're the robocall experts. We have an unbelievable amount of data and insight and we just love talking about how to stop robocalls. If you're working on a story and need insight from the experts, we'd love to hear from you.
Thank you for contacting us. We'll be in touch shortly.

Getting Harassed by Robocalls?

Try YouMail's reverse phone lookup in our community directory! It's the place where millions of YouMailers go to search for and report nuisance phone numbers.