Prefix overview
Phone numbers in prefix 660-557
This page covers the 660-557 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
660-557
RATE CENTER
SWEET SPG
CARRIER
NETGENUITY INC.
MO
Prefix range
The prefix 660-557 includes numbers from 6605570000 to 6605579999.
This range is associated with the SWEET SPG rate center and was originally assigned to NETGENUITY INC..
Numbers in this prefix
20 numbers