Prefix overview
Phone numbers in prefix 972-312
This page covers the 972-312 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
972-312
RATE CENTER
PLANO
CARRIER
SOUTHWESTERN BELL TELEPHONE COMPANY - TX
TX
Prefix range
The prefix 972-312 includes numbers from 9723120000 to 9723129999.
This range is associated with the PLANO rate center and was originally assigned to SOUTHWESTERN BELL TELEPHONE COMPANY - TX.
Numbers in this prefix
20 numbers