- City / exchange
- Havre
- Province / state
- Montana
- Country
- United States
- Carrier
- Triangle Communication System, Inc. - Mt-
- Line type
- Landline or business line
- OCN
- 958H
- Status
- In Service
- Assigned
- 04/27/2017
- Number pooling
- Yes (block shared between carriers)
406-400 phone numbers
Havre, Montana, United States · Triangle Communication System, Inc. - Mt-
Reported numbers in 406-400
No numbers in this block have been reported by visitors yet.
What does the 406-400 prefix tell you?
Every North American number is area code + prefix + line. The prefix 406-400 was assigned to Triangle Communication System, Inc. - Mt- on 04/27/2017 for the Havre exchange. A call from this block usually originates from a Triangle Communication System, Inc. - Mt- customer in or near Havre, but caller ID can be spoofed to show any number.