Prefix overview
Phone numbers in prefix 557-567
This page covers the 557-567 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
557-567
RATE CENTER
KIRKWOOD
CARRIER
ONVOY SPECTRUM, LLC
MO
Prefix range
The prefix 557-567 includes numbers from 5575670000 to 5575679999.
This range is associated with the KIRKWOOD rate center and was originally assigned to ONVOY SPECTRUM, LLC.
Numbers in this prefix
20 numbers