Prefix overview
Phone numbers in prefix 406-331
This page covers the 406-331 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
406-331
RATE CENTER
ROUNDUP
CARRIER
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT
MT
Prefix range
The prefix 406-331 includes numbers from 4063310000 to 4063319999.
This range is associated with the ROUNDUP rate center and was originally assigned to CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT.
Numbers in this prefix
20 numbers