NPA-NXX - 641-478

This is the 641-478 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!

1. Area Codes
2. 641
3. 641-478

The 641-478 subcode mainly covers Ferguson in Marshall county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Iowa state. Many of the numbers in this subcode are Regular Landline registered to Heart Of Iowa Communications Cooperative. We hear they employ a large number of people in the Iowa office.
Recently there have been an increase in reported calls, we've had over 40648 comments across our systems for the 641-478 subcode.