- City / exchange
- Helena
- Province / state
- Montana
- Country
- United States
- Carrier
- Centurylink Communications, LLC
- Line type
- Landline or business line
- OCN
- 508J
- Status
- In Service
- Assigned
- 09/18/2013
- Number pooling
- Yes (block shared between carriers)
406-389 phone numbers
Helena, Montana, United States · Centurylink Communications, LLC
Reported numbers in 406-389
No numbers in this block have been reported by visitors yet.
What does the 406-389 prefix tell you?
Every North American number is area code + prefix + line. The prefix 406-389 was assigned to Centurylink Communications, LLC on 09/18/2013 for the Helena exchange. A call from this block usually originates from a Centurylink Communications, LLC customer in or near Helena, but caller ID can be spoofed to show any number.