- City / exchange
- Eureka
- Province / state
- California
- Country
- United States
- Carrier
- Onvoy, LLC - CA
- Line type
- Likely VoIP / virtual number
- OCN
- 649C
- Status
- Assigned
- Assigned
- 07/30/2026
- Number pooling
- Yes (block shared between carriers)
707-821 phone numbers
Eureka, California, United States · Onvoy, LLC - CA
Reported numbers in 707-821
No numbers in this block have been reported by visitors yet.
What does the 707-821 prefix tell you?
Every North American number is area code + prefix + line. The prefix 707-821 was assigned to Onvoy, LLC - CA on 07/30/2026 for the Eureka exchange. A call from this block usually originates from a Onvoy, LLC - CA customer in or near Eureka, but caller ID can be spoofed to show any number.