Prefix overview
Phone numbers in prefix 573-304
This page covers the 573-304 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
573-304
RATE CENTER
CALIFORNIA
CARRIER
TELNYX LLC
MO
Prefix range
The prefix 573-304 includes numbers from 5733040000 to 5733049999.
This range is associated with the CALIFORNIA rate center and was originally assigned to TELNYX LLC.
Numbers in this prefix
20 numbers