Prefix overview
Phone numbers in prefix 240-407
This page covers the 240-407 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
240-407
RATE CENTER
WSNGTNZN16
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - MD
MD
Prefix range
The prefix 240-407 includes numbers from 2404070000 to 2404079999.
This range is associated with the WSNGTNZN16 rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - MD.
Numbers in this prefix
20 numbers