Prefix overview
Phone numbers in prefix 406-391
This page covers the 406-391 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
406-391
RATE CENTER
CUT BANK
CARRIER
NEW CINGULAR WIRELESS PCS, LLC
MT
Prefix range
The prefix 406-391 includes numbers from 4063910000 to 4063919999.
This range is associated with the CUT BANK rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC.
Numbers in this prefix
20 numbers