Prefix overview
Phone numbers in prefix 404-343
This page covers the 404-343 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
404-343
RATE CENTER
ATLANTA
CARRIER
COMCAST IP PHONE, LLC
GA
Prefix range
The prefix 404-343 includes numbers from 4043430000 to 4043439999.
This range is associated with the ATLANTA rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers