Prefix overview
Phone numbers in prefix 443-463
This page covers the 443-463 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
443-463
RATE CENTER
BALTIMORE
CARRIER
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
MD
Prefix range
The prefix 443-463 includes numbers from 4434630000 to 4434639999.
This range is associated with the BALTIMORE rate center and was originally assigned to OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC.
Numbers in this prefix
20 numbers