Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/NJ/ANDOVER

Andover ZIP code, New Jersey

The ZIP code for Andover, NJ is 07821, and its area codes are 862 and 973.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
728
Area codes
862, 973

Mail addressed to Andover uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Andover in numbers

About 728 people live in Andover, in 271 households. The median household income is $92,750 a year, 10% below the New Jersey median of $103,556 (US: $80,734). The median owner-occupied home is valued at $400,000 (12% below the New Jersey median), and median gross rent is $1,597 a month. The median age is 44.3; 42.9% of adults 25 and over hold a bachelor's degree or higher (43.6% across New Jersey); the average commute takes 41 minutes.

Population728Andover728
Households271Andover271
Median age44.3Andover44.3New Jersey40.1US 38.9
Median household income$92,750Andover$92,750New Jersey$103,556US $80,734
Median home value$400,000Andover$400,000New Jersey$454,400US $332,700
Median gross rent$1,597Andover$1,597New Jersey$1,720US $1,413
Bachelor's degree or higher42.9%Andover42.9%New Jersey43.6%US 35.7%
Mean commute40.9 minAndover40.9 minNew Jersey30.5 minUS 26.4 min
Population density540 / sq miAndover540 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Andover borough. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Andover

ZIP codes with the USPS city name Andover
ZIP City Type Population Median income Median home
07821 Andover , NJ Standard 9,662 $141,860 $431,500

Other ZIP codes overlapping Andover

These ZIP codes cover part of Andover but are addressed as somewhere else.

ZIP codes overlapping Andover
ZIP City Type Population Median income Median home
07860 Newton , NJ Standard 26,047 $110,045 $367,100

Map of Andover ZIP codes

07821

The ZIP codes of Andover, NJ, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Andover

The nearest larger towns are Byram Center (2,188 people, 4.0 mi), Lake Mohawk (9,508 people, 4.2 mi) and Newton (8,369 people, 4.6 mi).

Towns near Andover
TownPopulationDistance
Lake Mohawk 9,508 4.2 mi
Newton 8,369 4.6 mi
Hopatcong 14,565 4.9 mi
Stanhope 3,552 5.4 mi
Netcong 3,659 6.4 mi
Landing 4,737 6.9 mi
Mount Arlington 5,935 7.0 mi
Lake Hopatcong 10,259 7.2 mi
Panther Valley 4,553 7.3 mi
Budd Lake 10,650 7.8 mi
Ledgewood 5,377 8.1 mi
Flanders 8,809 10.0 mi
Hackettstown 10,140 10.1 mi
Succasunna 9,799 10.1 mi

More nearby: every ZIP code in Sussex County · New Jersey ZIP codes

Cite this page

zipcodes.pro. “Andover, NJ ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nj/andover

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