078210 Zip ❲Windows❳

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 ZIP code 07821 serves the borough of , located in Sussex County . While the borough itself is the primary locality, the 07821 boundary also covers portions of neighboring Byram and Green Townships . Geographic and Administrative Profile 078210 zip

📍 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. Andover was once a hub for the colonial

ZIP+4 Code lookup | Get last 4 digits of 9-digit ZIP Codes - Smarty While the borough itself is the primary locality,