Prefix overview
Phone numbers in prefix 667-492
This page covers the 667-492 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
667-492
RATE CENTER
SEVERN
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
MD
Prefix range
The prefix 667-492 includes numbers from 6674920000 to 6674929999.
This range is associated with the SEVERN rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers