Prefix overview
Phone numbers in prefix 443-405
This page covers the 443-405 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
443-405
RATE CENTER
RANDALLSTN
CARRIER
COMCAST IP PHONE, LLC
MD
Prefix range
The prefix 443-405 includes numbers from 4434050000 to 4434059999.
This range is associated with the RANDALLSTN rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers