Prefix overview
Phone numbers in prefix 478-399
This page covers the 478-399 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
478-399
RATE CENTER
BUTLER
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - GA
GA
Prefix range
The prefix 478-399 includes numbers from 4783990000 to 4783999999.
This range is associated with the BUTLER rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - GA.
Numbers in this prefix
20 numbers