Prefix overview
Phone numbers in prefix 660-242
This page covers the 660-242 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
660-242
RATE CENTER
MONTROSE
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - MO
MO
Prefix range
The prefix 660-242 includes numbers from 6602420000 to 6602429999.
This range is associated with the MONTROSE rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - MO.
Numbers in this prefix
20 numbers