Wolf Creek is an unincorporated community in Lewis and Clark County, Montana, United States, along Interstate 15, 28 miles north of Helena. Its ZIP code is 59648.In 1887, the Montana Central Railway built its line through the narrow Prickly Pear Canyon, and the town of Wolf Creek, named for the creek, grew to serve the railroad. It later served workers building the Holter Dam from 1908–1910. Interstate 15 split the town in half, nearly obliterating it.