Flathead County Attorney Thomas J. Esch Location 920 South Main, Kalispell Justice Center 2nd floor Mailing Address P. O. Box 1516 Kalispell, MT 59903-1516 Phone (406) 758-5630 Fax (406) 758-5642 Hours Monday - Friday 8:00a.m. - 5:00p.m. The Flathead County Attorney is an elected position of 4 years and because of the population of Flathead County is a full-time county attorney. By law, the ...