Prefix overview
Phone numbers in prefix 443-451
This page covers the 443-451 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
443-451
RATE CENTER
BALTIMORE
CARRIER
PAETEC ITEL, LLC
MD
Prefix range
The prefix 443-451 includes numbers from 4434510000 to 4434519999.
This range is associated with the BALTIMORE rate center and was originally assigned to PAETEC ITEL, LLC.
Numbers in this prefix
20 numbers