Prefix overview
Phone numbers in prefix 712-421
This page covers the 712-421 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
712-421
RATE CENTER
SLOAN
CARRIER
NORTHWEST IOWA TELEPHONE, LLC
IA
Prefix range
The prefix 712-421 includes numbers from 7124210000 to 7124219999.
This range is associated with the SLOAN rate center and was originally assigned to NORTHWEST IOWA TELEPHONE, LLC.
Numbers in this prefix
20 numbers