Prefix overview
Phone numbers in prefix 972-397
This page covers the 972-397 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
972-397
RATE CENTER
GRANDPRARI
CARRIER
SPOK, INC.
TX
Prefix range
The prefix 972-397 includes numbers from 9723970000 to 9723979999.
This range is associated with the GRANDPRARI rate center and was originally assigned to SPOK, INC..
Numbers in this prefix
20 numbers