We collect and use the information provided to us (on this form, via a web page, via a web application or by email) in order to provide advice, information, services, or assistance.
Hillside, New Jersey. Hillside is a township in Union County, New Jersey, United States. As of the 2010 United States Census, the township's population was 21,404, reflecting a decline of 343 (-1.6%) from the 21,747 counted in the 2000 Census, which had in turn increased by 703 (+3.3%) from the 21,044 counted in the 1990 Census.
Zip Code 07112 is located in the state of New Jersey in the Metro New York City metro area. Zip code 07112 is primarily located in Essex County. The official US Postal Service name for 07112 is NEWARK, New Jersey. Portions of zip code 07112 are contained within or border the city limits of Newark, NJ, Hillside, NJ, and Irvington, NJ. Zip code 07112 is within area code 973 and area code 862.