Montana notaries available near you. Montana Notary Services available in these cities and surrounding areas! Trident (Gallatin County, MT)Sappington (Gallatin County, MT)Missoula (Missoula County, MT)Montana City (Jefferson County, MT)Helena (Lewis and Clark County, MT)Great Falls (Cascade County, MT)Ferndale (Lake County, MT)Butte (Silver Bow County, MT)Butte-Silver Bow (Balance) (Silver Bow County, MT)Bozeman (Gallatin County, MT)Billings (Yellowstone County, MT)