Prefix overview
Phone numbers in prefix 660-255
This page covers the 660-255 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
660-255
RATE CENTER
COWGILL
CARRIER
GREEN HILLS TEL. CORP.
MO
Prefix range
The prefix 660-255 includes numbers from 6602550000 to 6602559999.
This range is associated with the COWGILL rate center and was originally assigned to GREEN HILLS TEL. CORP..
Numbers in this prefix
20 numbers