Prefix overview
Phone numbers in prefix 478-578
This page covers the 478-578 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
478-578
RATE CENTER
DUBLIN
CARRIER
ONVOY, LLC - GA
GA
Prefix range
The prefix 478-578 includes numbers from 4785780000 to 4785789999.
This range is associated with the DUBLIN rate center and was originally assigned to ONVOY, LLC - GA.
Numbers in this prefix
20 numbers