Packwaukee, WI

ZIP code 53953 serves Montello and nearby parts of Marquette County, Wisconsin, whose county seat is Montello. Notable landmarks include the Marquette County Courthouse, the historic Montello Granite Quarry and its waterfall in downtown Montello, and the Montello Opera House. John Muir Memorial County Park, preserving the natural setting around naturalist John Muir’s boyhood home, lies a short distance east of the city.