Prefix overview
Phone numbers in prefix 740-436
This page covers the 740-436 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
740-436
RATE CENTER
RICHWOOD
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - OH
OH
Prefix range
The prefix 740-436 includes numbers from 7404360000 to 7404369999.
This range is associated with the RICHWOOD rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - OH.
Numbers in this prefix
20 numbers