Prefix overview
Phone numbers in prefix 636-574
This page covers the 636-574 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
636-574
RATE CENTER
ST CHARLES
CARRIER
AMERICAN MESSAGING SERVICES, LLC
MO
Prefix range
The prefix 636-574 includes numbers from 6365740000 to 6365749999.
This range is associated with the ST CHARLES rate center and was originally assigned to AMERICAN MESSAGING SERVICES, LLC.
Numbers in this prefix
20 numbers