Prefix overview
Phone numbers in prefix 404-278
This page covers the 404-278 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
404-278
RATE CENTER
ATLANTA
CARRIER
AMERICAN MESSAGING SERVICES, LLC
GA
Prefix range
The prefix 404-278 includes numbers from 4042780000 to 4042789999.
This range is associated with the ATLANTA rate center and was originally assigned to AMERICAN MESSAGING SERVICES, LLC.
Numbers in this prefix
20 numbers