Prefix overview
Phone numbers in prefix 406-325
This page covers the 406-325 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
406-325
RATE CENTER
BILLINGS
CARRIER
NUSO, LLC
MT
Prefix range
The prefix 406-325 includes numbers from 4063250000 to 4063259999.
This range is associated with the BILLINGS rate center and was originally assigned to NUSO, LLC.
Numbers in this prefix
20 numbers