- City / exchange
- Ontario
- Province / state
- California
- Country
- United States
- Carrier
- Onvoy Spectrum, LLC
- Line type
- Likely VoIP / virtual number
- OCN
- 624H
- Status
- In Service
- Assigned
- 09/16/2025
- Number pooling
- Yes (block shared between carriers)
840-840 phone numbers
Ontario, California, United States · Onvoy Spectrum, LLC
Reported numbers in 840-840
No numbers in this block have been reported by visitors yet.
What does the 840-840 prefix tell you?
Every North American number is area code + prefix + line. The prefix 840-840 was assigned to Onvoy Spectrum, LLC on 09/16/2025 for the Ontario exchange. A call from this block usually originates from a Onvoy Spectrum, LLC customer in or near Ontario, but caller ID can be spoofed to show any number.