Prefix overview
Phone numbers in prefix 740-483
This page covers the 740-483 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
740-483
RATE CENTER
DUFFY
CARRIER
OHIO BELL TEL CO
OH
Prefix range
The prefix 740-483 includes numbers from 7404830000 to 7404839999.
This range is associated with the DUFFY rate center and was originally assigned to OHIO BELL TEL CO.
Numbers in this prefix
20 numbers