Prefix overview
Phone numbers in prefix 636-622
This page covers the 636-622 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
636-622
RATE CENTER
TROY
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO
MO
Prefix range
The prefix 636-622 includes numbers from 6366220000 to 6366229999.
This range is associated with the TROY rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO.
Numbers in this prefix
20 numbers