Prefix overview
Phone numbers in prefix 712-237
This page covers the 712-237 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
712-237
RATE CENTER
SERGENTBLF
CARRIER
NORTHWEST IOWA TELEPHONE, LLC
IA
Prefix range
The prefix 712-237 includes numbers from 7122370000 to 7122379999.
This range is associated with the SERGENTBLF rate center and was originally assigned to NORTHWEST IOWA TELEPHONE, LLC.
Numbers in this prefix
20 numbers