Prefix overview
Phone numbers in prefix 573-455
This page covers the 573-455 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
573-455
RATE CENTER
WESTPHALIA
CARRIER
SOUTHWESTERN BELL
MO
Prefix range
The prefix 573-455 includes numbers from 5734550000 to 5734559999.
This range is associated with the WESTPHALIA rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers