Prefix overview
Phone numbers in prefix 478-400
This page covers the 478-400 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
478-400
RATE CENTER
SWAINSBORO
CARRIER
TELNYX LLC
GA
Prefix range
The prefix 478-400 includes numbers from 4784000000 to 4784009999.
This range is associated with the SWAINSBORO rate center and was originally assigned to TELNYX LLC.
Numbers in this prefix
20 numbers