Prefix overview
Phone numbers in prefix 740-478
This page covers the 740-478 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
740-478
RATE CENTER
LAURELVL
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - OH
OH
Prefix range
The prefix 740-478 includes numbers from 7404780000 to 7404789999.
This range is associated with the LAURELVL rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - OH.
Numbers in this prefix
20 numbers