Prefix overview
Phone numbers in prefix 559-204
This page covers the 559-204 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
559-204
RATE CENTER
PORTERVL
CARRIER
AMERICAN MESSAGING SERVICES, LLC
CA
Prefix range
The prefix 559-204 includes numbers from 5592040000 to 5592049999.
This range is associated with the PORTERVL rate center and was originally assigned to AMERICAN MESSAGING SERVICES, LLC.
Numbers in this prefix
20 numbers