Prefix overview
Phone numbers in prefix 660-599
This page covers the 660-599 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
660-599
RATE CENTER
LAREDO
CARRIER
FRACTEL, LLC
MO
Prefix range
The prefix 660-599 includes numbers from 6605990000 to 6605999999.
This range is associated with the LAREDO rate center and was originally assigned to FRACTEL, LLC.
Numbers in this prefix
20 numbers