Prefix overview
Phone numbers in prefix 972-256
This page covers the 972-256 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
972-256
RATE CENTER
IRVING
CARRIER
FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS
TX
Prefix range
The prefix 972-256 includes numbers from 9722560000 to 9722569999.
This range is associated with the IRVING rate center and was originally assigned to FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS.
Numbers in this prefix
20 numbers