Prefix overview
Phone numbers in prefix 831-453
This page covers the 831-453 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
831-453
RATE CENTER
CASTROVL
CARRIER
AT&T ENTERPRISES, LLC
CA
Prefix range
The prefix 831-453 includes numbers from 8314530000 to 8314539999.
This range is associated with the CASTROVL rate center and was originally assigned to AT&T ENTERPRISES, LLC.
Numbers in this prefix
20 numbers