NPA-NXX - 406-428

This is the 406-428 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!

The 406-428 subcode mainly covers Grass Range in Fergus county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Montana state. Many of the numbers in this subcode are Regular Landline registered to Mid-rivers Telephone Cooperative. We hear they employ a large number of people in the Montana office.
Recently there have been an increase in reported calls, we've had over 11586 comments across our systems for the 406-428 subcode.

Looking for a different number? Follow a link below to see our recently active.

360-703-6058 810-602-1110 859-537-4326 808-468-5905 901-515-1918
845-987-4793 206-805-4668 512-402-3134 919-223-2511 562-612-1961