Prefix overview
Phone numbers in prefix 478-401
This page covers the 478-401 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
478-401
RATE CENTER
MILLEN
CARRIER
COMCAST IP PHONE, LLC
GA
Prefix range
The prefix 478-401 includes numbers from 4784010000 to 4784019999.
This range is associated with the MILLEN rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers