Prefix overview
Phone numbers in prefix 406-257
This page covers the 406-257 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
406-257
RATE CENTER
KALISPELL
CARRIER
CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK
MT
Prefix range
The prefix 406-257 includes numbers from 4062570000 to 4062579999.
This range is associated with the KALISPELL rate center and was originally assigned to CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK.
Numbers in this prefix
20 numbers