Prefix overview
Phone numbers in prefix 636-328
This page covers the 636-328 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
636-328
RATE CENTER
ST CHARLES
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO
MO
Prefix range
The prefix 636-328 includes numbers from 6363280000 to 6363289999.
This range is associated with the ST CHARLES rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO.
Numbers in this prefix
20 numbers