Prefix overview
Phone numbers in prefix 660-581
This page covers the 660-581 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
660-581
RATE CENTER
SOBRADDYVL
CARRIER
WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH
MO
Prefix range
The prefix 660-581 includes numbers from 6605810000 to 6605819999.
This range is associated with the SOBRADDYVL rate center and was originally assigned to WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH.
Numbers in this prefix
20 numbers