Prefix overview
Phone numbers in prefix 660-338
This page covers the 660-338 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
660-338
RATE CENTER
GLASGOW
CARRIER
SOUTHWESTERN BELL
MO
Prefix range
The prefix 660-338 includes numbers from 6603380000 to 6603389999.
This range is associated with the GLASGOW rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers