Prefix overview
Phone numbers in prefix 540-475
This page covers the 540-475 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
540-475
RATE CENTER
NARROWS
CARRIER
CSC WIRELESS, LLC
VA
Prefix range
The prefix 540-475 includes numbers from 5404750000 to 5404759999.
This range is associated with the NARROWS rate center and was originally assigned to CSC WIRELESS, LLC.
Numbers in this prefix
20 numbers