Prefix overview
Phone numbers in prefix 660-457
This page covers the 660-457 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
660-457
RATE CENTER
LANCASTER
CARRIER
SOUTHWESTERN BELL
MO
Prefix range
The prefix 660-457 includes numbers from 6604570000 to 6604579999.
This range is associated with the LANCASTER rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers