Prefix overview
Phone numbers in prefix 779-278
This page covers the 779-278 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
779-278
RATE CENTER
GRANDRIDGE
CARRIER
STRATUS NETWORKS
IL
Prefix range
The prefix 779-278 includes numbers from 7792780000 to 7792789999.
This range is associated with the GRANDRIDGE rate center and was originally assigned to STRATUS NETWORKS.
Numbers in this prefix
20 numbers