Prefix overview
Phone numbers in prefix 408-406
This page covers the 408-406 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
408-406
RATE CENTER
SNJS WEST
CARRIER
NEW CINGULAR WIRELESS PCS, LLC
CA
Prefix range
The prefix 408-406 includes numbers from 4084060000 to 4084069999.
This range is associated with the SNJS WEST rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC.
Numbers in this prefix
20 numbers