Prefix overview
Phone numbers in prefix 660-431
This page covers the 660-431 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
660-431
RATE CENTER
SMITHTON
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - MO
MO
Prefix range
The prefix 660-431 includes numbers from 6604310000 to 6604319999.
This range is associated with the SMITHTON rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - MO.
Numbers in this prefix
20 numbers