NPA-NXX - 641-338

This is the 641-338 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. 641-338

The 641-338 subcode mainly covers Thayer in Union 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 Grand River Mutual Telephone Corporation. 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 12534 comments across our systems for the 641-338 subcode.