Prefix overview
Phone numbers in prefix 406-483
This page covers the 406-483 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
406-483
RATE CENTER
DAGMAR
CARRIER
NEMONT TEL COOP INC
MT
Prefix range
The prefix 406-483 includes numbers from 4064830000 to 4064839999.
This range is associated with the DAGMAR rate center and was originally assigned to NEMONT TEL COOP INC.
Numbers in this prefix
20 numbers