Andover was once a hub for the colonial iron industry, known for the Andover Mine which supplied high-quality iron during the Revolutionary War. Today, the 07821 area is characterized by its historic Grist Mill (built 1760) and its status as a "somewhat ethnically diverse" community with strong German, Irish, and Italian ancestries.
The area is relatively affluent, with a median household income of roughly $141,860 .
Situated in Northwest New Jersey, approximately 50 miles from New York City . 078210 zip
Residents face an average commute of 36 minutes , reflecting the rural nature of the county and the distance to major job hubs. Historical Significance
ZIP+4 Code lookup | Get last 4 digits of 9-digit ZIP Codes - Smarty Andover was once a hub for the colonial
📍 For mail delivery, always use the full five-digit 07821; for precise routing, the USPS ZIP+4 extension is 07821-9998 for the local post office.
The central Andover Borough is small, covering roughly 1.36 square miles. Situated in Northwest New Jersey, approximately 50 miles
Roughly 44% of residents hold a bachelor's degree or higher, significantly above the national average.