Prefix overview
Phone numbers in prefix 660-455
This page covers the 660-455 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
660-455
RATE CENTER
MONTROSE
CARRIER
ONVOY, LLC - MO
MO
Prefix range
The prefix 660-455 includes numbers from 6604550000 to 6604559999.
This range is associated with the MONTROSE rate center and was originally assigned to ONVOY, LLC - MO.
Numbers in this prefix
20 numbers