Prefix overview
Phone numbers in prefix 678-310
This page covers the 678-310 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
678-310
RATE CENTER
ATLANTA NW
CARRIER
COMCAST IP PHONE, LLC
GA
Prefix range
The prefix 678-310 includes numbers from 6783100000 to 6783109999.
This range is associated with the ATLANTA NW rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers