Prefix overview
Phone numbers in prefix 660-354
This page covers the 660-354 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
660-354
RATE CENTER
POLO
CARRIER
GREEN HILLS TEL. CORP.
MO
Prefix range
The prefix 660-354 includes numbers from 6603540000 to 6603549999.
This range is associated with the POLO rate center and was originally assigned to GREEN HILLS TEL. CORP..
Numbers in this prefix
20 numbers