NPA-NXX - 218-428

This is the 218-428 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. 218
3. 218-428

The 218-428 subcode mainly covers Duluth in St. Louis county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Minnesota state. Many of the numbers in this subcode are Cellular (Dedicated) registered to At&t Mobility. We hear they employ a large number of people in the Minnesota office.
Recently there have been an increase in reported calls, we've had over 200226 comments across our systems for the 218-428 subcode.