Prefix overview
Phone numbers in prefix 660-273
This page covers the 660-273 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
660-273
RATE CENTER
ARMSTRONG
CARRIER
SOUTHWESTERN BELL
MO
Prefix range
The prefix 660-273 includes numbers from 6602730000 to 6602739999.
This range is associated with the ARMSTRONG rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers