Hibernia, NJ

ZIP code 07842 is located in Hackettstown, New Jersey. This area is known for its charming small-town atmosphere and is home to Centenary University. Hackettstown is also famous for being the headquarters of Mars Chocolate North America, where popular candies like M&M's and Snickers are produced. Other notable landmarks in the area include the historic Stephens State Park and the scenic Musconetcong River.