Prefix overview
Phone numbers in prefix 660-300
This page covers the 660-300 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
660-300
RATE CENTER
GRANT CITY
CARRIER
FRACTEL, LLC
MO
Prefix range
The prefix 660-300 includes numbers from 6603000000 to 6603009999.
This range is associated with the GRANT CITY rate center and was originally assigned to FRACTEL, LLC.
Numbers in this prefix
20 numbers