Prefix overview
Phone numbers in prefix 641-474
This page covers the 641-474 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
641-474
RATE CENTER
GREEN MT
CARRIER
HEART OF IOWA COMMUNICATIONS COOPERATIVE - IA
IA
Prefix range
The prefix 641-474 includes numbers from 6414740000 to 6414749999.
This range is associated with the GREEN MT rate center and was originally assigned to HEART OF IOWA COMMUNICATIONS COOPERATIVE - IA.
Numbers in this prefix
20 numbers