07821
ZIP 07821 is Andover, New Jersey, mostly in Sussex County; area codes 862 and 973; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Sussex +1 more
- Metro area
- New York-Newark-Jersey City, NY-NJ
- Population
- 9,662
- Coordinates
- 40.9660, -74.7547
Weather right now
Asking the National Weather Service…
Where 07821 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 07821 into a pocket calculator and turn it upside down: IZBLO — not quite a word, sorry.
- ➕ As a number, 7,821 = 3 × 3 × 11 × 79. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111010001101 - 🏠 Its numerical neighbours: 07820 (Allamuchy, NJ, 3 mi away) and 07822 (Augusta, NJ, 12 mi away).
- 🔄 Backwards, 07821 becomes 12870 — and that is a real ZIP code: Schroon Lake, NY, 205 miles away.
- 👥 67 other ZIP codes are made of exactly the same digits (01827, 02187, 02718, 02817, 02871, 08217, …). The farthest-flung twin is 87021 in Milan, NM, 1,834 miles away.
- 🧭 Farther north than 66% of all ZIP codes, and farther east than 88%.
- 🎯1,252 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 07821 and you would come out at 40.97°S, 105.25°E — 857 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 07m of daylight. Shortest: 9h 13m.
- 📏 At 42.8 square miles of land, 07821 is bigger than 55% of ZIP codes — room for about 32 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 9,662This ZIP9,662 |
|---|---|
| Households | 3,553This ZIP3,553 |
| Housing units | 3,850This ZIP3,850 |
| Median age | 40.1This ZIP40.1New Jersey40.1US 38.9 |
| Median household income | $141,860This ZIP$141,860New Jersey$103,556US $80,734 |
| Median home value | $431,500This ZIP$431,500New Jersey$454,400US $332,700 |
| Median gross rent | $1,607This ZIP$1,607New Jersey$1,720US $1,413 |
| Bachelor's degree or higher | 49.2%This ZIP49.2% |
| Mean commute | 35.2 minThis ZIP35.2 min |
| Population density | 225.9 / sq miThis ZIP225.9 / sq mi |
Business and tax activity
| Business establishments | 185This ZIP185 |
|---|---|
| Employees | 1,600This ZIP1,600 |
| Annual payroll | $95,517,000This ZIP$95,517,000 |
| Tax returns filed | 4,570This ZIP4,570 |
| Total adjusted gross income | $547,718,000This ZIP$547,718,000 |
Land area
| Land area | 42.78 sq miThis ZIP42.78 sq mi |
|---|---|
| Water area | 1.52 sq miThis ZIP1.52 sq mi |
Counties 07821 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Sussex County | 83.4% |
| Warren County | 16.6% |
Other place names in 07821
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 07821
| ZIP | City | Distance |
|---|---|---|
07879 | Tranquility, NJ | 1.9 mi |
07820 | Allamuchy, NJ | 3.5 mi |
07874 | Stanhope, NJ | 3.5 mi |
07839 | Greendell, NJ | 3.5 mi |
07843 | Hopatcong, NJ | 5.3 mi |
07828 | Budd Lake, NJ | 5.6 mi |
07857 | Netcong, NJ | 5.7 mi |
07846 | Johnsonburg, NJ | 6.4 mi |
07850 | Landing, NJ | 6.4 mi |
07860 | Newton, NJ | 6.8 mi |
Find every ZIP code within 10 miles of 07821 →
Questions about this ZIP code
Where is ZIP code 07821?
07821 is in Andover, New Jersey, in Sussex County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.9660, -74.7547.
What county is 07821 in?
07821 spans 2 counties: Sussex County and Warren County. Most of it falls in Sussex County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 07821?
Andover uses area codes 862 and 973, from NANPA's telephone records.
What time zone is 07821 in?
07821 uses America/New_York.
How many people live in 07821?
About 9,662 people live in ZIP code 07821, in 3,553 households, at 225.9 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 07821?
$141,860 a year, against $103,556 across New Jersey.
What ZIP codes are near 07821?
The closest are 07879 (1.9 mi), 07820 (3.5 mi), 07874 (3.5 mi), 07839 (3.5 mi) and 07843 (5.3 mi).
Is 07821 a PO Box ZIP code?
07821 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “07821 ZIP Code — Andover, New Jersey (Sussex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/07821
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/07821.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.