Slidell, LA

ZIP code 70458 covers Mandeville, Louisiana, a charming city on the north shore of Lake Pontchartrain. This area is known for its picturesque waterfront, historic downtown area, and abundance of outdoor recreational activities. Important landmarks in the area include Fontainebleau State Park, Mandeville Trailhead, and the iconic Lake Pontchartrain Causeway, one of the longest bridges in the world.