- City / exchange
- Elmo
- Province / state
- Montana
- Country
- United States
- Carrier
- Onvoy, LLC - Mt
- Line type
- Likely VoIP / virtual number
- OCN
- 453F
- Status
- In Service
- Assigned
- 07/26/2007
- Number pooling
- Yes (block shared between carriers)
406-631 phone numbers
Elmo, Montana, United States · Onvoy, LLC - Mt
Reported numbers in 406-631
No numbers in this block have been reported by visitors yet.
What does the 406-631 prefix tell you?
Every North American number is area code + prefix + line. The prefix 406-631 was assigned to Onvoy, LLC - Mt on 07/26/2007 for the Elmo exchange. A call from this block usually originates from a Onvoy, LLC - Mt customer in or near Elmo, but caller ID can be spoofed to show any number.