Prefix overview
Phone numbers in prefix 972-300
This page covers the 972-300 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
972-300
RATE CENTER
CARROLLTON
CARRIER
GRANDE COMMUNICATIONS NETWORKS, INC. - TX
TX
Prefix range
The prefix 972-300 includes numbers from 9723000000 to 9723009999.
This range is associated with the CARROLLTON rate center and was originally assigned to GRANDE COMMUNICATIONS NETWORKS, INC. - TX.
Numbers in this prefix
20 numbers