Prefix overview
Phone numbers in prefix 440-457
This page covers the 440-457 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
440-457
RATE CENTER
NOROYALTON
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH
OH
Prefix range
The prefix 440-457 includes numbers from 4404570000 to 4404579999.
This range is associated with the NOROYALTON rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH.
Numbers in this prefix
20 numbers