Prefix overview
Phone numbers in prefix 443-201
This page covers the 443-201 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
443-201
RATE CENTER
WESTMINSTR
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - DC
MD
Prefix range
The prefix 443-201 includes numbers from 4432010000 to 4432019999.
This range is associated with the WESTMINSTR rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - DC.
Numbers in this prefix
20 numbers