Prefix overview
Phone numbers in prefix 540-404
This page covers the 540-404 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
540-404
RATE CENTER
SALEM
CARRIER
COMCAST IP PHONE, LLC
VA
Prefix range
The prefix 540-404 includes numbers from 5404040000 to 5404049999.
This range is associated with the SALEM rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers