Prefix overview
Phone numbers in prefix 406-228
This page covers the 406-228 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
406-228
RATE CENTER
GLASGOW
CARRIER
NEMONT TEL COOP INC
MT
Prefix range
The prefix 406-228 includes numbers from 4062280000 to 4062289999.
This range is associated with the GLASGOW rate center and was originally assigned to NEMONT TEL COOP INC.
Numbers in this prefix
20 numbers