- City / exchange
- Hesperia
- Province / state
- Michigan
- Country
- United States
- Carrier
- Onvoy Spectrum, LLC
- Line type
- Likely VoIP / virtual number
- OCN
- 624H
- Status
- In Service
- Assigned
- 10/26/2020
- Number pooling
- Yes (block shared between carriers)
231-278 phone numbers
Hesperia, Michigan, United States · Onvoy Spectrum, LLC
Reported numbers in 231-278
No numbers in this block have been reported by visitors yet.
Complaints filed with the FCC
- 231-278-71751 complaint · 2026-10-02
What does the 231-278 prefix tell you?
Every North American number is area code + prefix + line. The prefix 231-278 was assigned to Onvoy Spectrum, LLC on 10/26/2020 for the Hesperia exchange. A call from this block usually originates from a Onvoy Spectrum, LLC customer in or near Hesperia, but caller ID can be spoofed to show any number.