Prefix overview
Phone numbers in prefix 443-328
This page covers the 443-328 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
443-328
RATE CENTER
SYKESVILLE
CARRIER
PAETEC ITEL, LLC
MD
Prefix range
The prefix 443-328 includes numbers from 4433280000 to 4433289999.
This range is associated with the SYKESVILLE rate center and was originally assigned to PAETEC ITEL, LLC.
Numbers in this prefix
20 numbers