Prefix overview
Phone numbers in prefix 406-448
This page covers the 406-448 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
406-448
RATE CENTER
NO POPLAR
CARRIER
NEMONT TEL COOP INC
MT
Prefix range
The prefix 406-448 includes numbers from 4064480000 to 4064489999.
This range is associated with the NO POPLAR rate center and was originally assigned to NEMONT TEL COOP INC.
Numbers in this prefix
20 numbers