Below is a list of Lake Hopatcong NJ zip codes. For your research we have also included Lake Hopatcong Area Code, Time Zone, UTC and the local Morris County FIPS Code. Each Lake Hopatcong New Jersey zip code has a center Longitude / Latitude point (the Lake Hopatcong center is -74.617500305176 / 40.948299407959). For your convenience we have also indicated if that zip code in Lake Hopatcong observes Daylight Savings time.