Prefix overview
Phone numbers in prefix 660-400
This page covers the 660-400 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
660-400
RATE CENTER
HALE
CARRIER
FRACTEL, LLC
MO
Prefix range
The prefix 660-400 includes numbers from 6604000000 to 6604009999.
This range is associated with the HALE rate center and was originally assigned to FRACTEL, LLC.
Numbers in this prefix
20 numbers