Prefix overview
Phone numbers in prefix 443-301
This page covers the 443-301 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
443-301
RATE CENTER
BALTIMORE
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - DC
MD
Prefix range
The prefix 443-301 includes numbers from 4433010000 to 4433019999.
This range is associated with the BALTIMORE rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - DC.
Numbers in this prefix
20 numbers