Prefix overview
Phone numbers in prefix 406-389
This page covers the 406-389 prefix in the United States. It shows where numbers come from, which carrier is linked to the range, and how this block is structured.
If you are looking for a specific number, you can continue to its dedicated phone page. Otherwise, this page helps you understand the broader number block behind it.
PREFIX
406-389
RATE CENTER
HELENA
CARRIER
CENTURYLINK COMMUNICATIONS, LLC
MT
Prefix range
The prefix 406-389 includes numbers from 4063890000 to 4063899999.
This range is associated with the HELENA rate center and was originally assigned to CENTURYLINK COMMUNICATIONS, LLC.
Numbers in this prefix
20 numbers