U.S. postal lookup

U.S. ZIP Codes Database 2026

Search by ZIP code, city, county, or state and find clear postal details with maps, time zones, and area code data.

42,735 verified records
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New Jersey ZIP Codes

Complete postal directory, details, and geographic map for the State of New Jersey.

State ZIP Code City County Area Codes
NJ 08850 Milltown Middlesex County 732, 848
NJ 08852 Monmouth Junction Middlesex County 609, 640, 732, 848
NJ 08853 Neshanic Station Somerset County 908
NJ 08854 Piscataway Middlesex County 732, 848, 908
NJ 08855 Piscataway Middlesex County 732
NJ 08857 Old Bridge Middlesex County 732, 848
NJ 08858 Oldwick Hunterdon County 908
NJ 08859 Parlin Middlesex County 732, 848
NJ 08861 Perth Amboy Middlesex County 347, 718, 732, 848, 917, 929
NJ 08862 Perth Amboy Middlesex County 732
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About U.S. ZIP Codes

ZIP codes are a United States Postal Service system introduced in 1963 to make mail routing more accurate and efficient. The standard format uses five digits, while ZIP+4 adds four more digits for a more precise delivery segment.

ZIP codes cover the United States, its territories, military mail routes, and other USPS delivery points. This directory organizes that data for practical lookup by ZIP code, city, county, and state.