Prefix overview
Phone numbers in prefix 408-307
This page covers the 408-307 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
408-307
RATE CENTER
SNJS WEST
CARRIER
NEW CINGULAR WIRELESS PCS, LLC
CA
Prefix range
The prefix 408-307 includes numbers from 4083070000 to 4083079999.
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