- City / exchange
- Big Sandy
- Province / state
- Montana
- Country
- United States
- Carrier
- Triangle Tel. Coop. Assn., Inc.
- Line type
- Landline or business line
- OCN
- 2257
- Status
- In Service
- Number pooling
- Yes (block shared between carriers)
406-378 phone numbers
Big Sandy, Montana, United States · Triangle Tel. Coop. Assn., Inc.
Reported numbers in 406-378
No numbers in this block have been reported by visitors yet.
What does the 406-378 prefix tell you?
Every North American number is area code + prefix + line. The prefix 406-378 was assigned to Triangle Tel. Coop. Assn., Inc. on an unknown date for the Big Sandy exchange. A call from this block usually originates from a Triangle Tel. Coop. Assn., Inc. customer in or near Big Sandy, but caller ID can be spoofed to show any number.