ZIP Code 07840 is located in the county of Warren in the state of New Jersey. 07840 ZIP Code is spread between the coordinates of +40.8533615 Latitude and -74.83015602 Longitude. 07840 ZIP Code is part of the 908 area code. There is 1 postal office in zip code 07840.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 07840. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in unforseen delays.