Prefix overview
Phone numbers in prefix 660-360
This page covers the 660-360 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
660-360
RATE CENTER
SO SEYMOUR
CARRIER
ONVOY, LLC - MO
MO
Prefix range
The prefix 660-360 includes numbers from 6603600000 to 6603609999.
This range is associated with the SO SEYMOUR rate center and was originally assigned to ONVOY, LLC - MO.
Numbers in this prefix
20 numbers