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 — ZIP/07721

07721

ZIP 07721 is Cliffwood, New Jersey, mostly in Monmouth County; area codes 732 and 848; Eastern time.

Type
Standard
Time zone
America/New_York
County
Monmouth +1 more
Population
4,277
Coordinates
40.4353, -74.2360
☼ Live from 07721 — Cliffwood, NJ

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 07721 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.

★ Weird and wonderful facts about 07721
  • 🔢 Type 07721 into a pocket calculator and turn it upside down: IZLLO — not quite a word, sorry.
  • ➕ As a number, 7,721 = 7 × 1103. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111000101001
  • 🏠 Its numerical neighbours: 07720 (Bradley Beach, NJ, 20 mi away) and 07722 (Colts Neck, NJ, 11 mi away).
  • 🔄 Backwards, 07721 becomes 12770 — and that is a real ZIP code: Pond Eddy, NY, 77 miles away.
  • 👥 37 other ZIP codes are made of exactly the same digits (01772, 02717, 02771, 07712, 10277, 12077, …). The farthest-flung twin is 77021 in Houston, TX, 1,400 miles away.
  • 🧭 Farther north than 60% of all ZIP codes, and farther east than 89%.
  • 🎯1,283 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 07721 and you would come out at 40.44°S, 105.76°E — 812 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 04m of daylight. Shortest: 9h 17m.
  • 📏 At 0.912 square miles of land, 07721 is bigger than 7% of ZIP codes — about 441 football fields.
🌙 The sky over 07721 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population4,277This ZIP4,277
Households1,603This ZIP1,603
Housing units1,603This ZIP1,603
Median age30.9This ZIP30.9New Jersey40.1US 38.9
Median household income$123,060This ZIP$123,060New Jersey$103,556US $80,734
Median home value$424,700This ZIP$424,700New Jersey$454,400US $332,700
Median gross rent$1,862This ZIP$1,862New Jersey$1,720US $1,413
Bachelor's degree or higher53.7%This ZIP53.7%
Mean commute31.6 minThis ZIP31.6 min
Population density4,689.7 / sq miThis ZIP4,689.7 / sq mi

Business and tax activity

Business establishments64This ZIP64
Employees558This ZIP558
Annual payroll$25,902,000This ZIP$25,902,000
Tax returns filed2,120This ZIP2,120
Total adjusted gross income$175,427,000This ZIP$175,427,000

Land area

Land area0.91 sq miThis ZIP0.91 sq mi
Water area0.00 sq miThis ZIP0.00 sq mi

Counties 07721 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Monmouth County 89.0%
Middlesex County 11.0%

Other place names in 07721

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 07721

ZIPCityDistance
07735 Keyport, NJ 1.2 mi
07747 Matawan, NJ 1.9 mi
08879 South Amboy, NJ 3.1 mi
07730 Hazlet, NJ 3.4 mi
08859 Parlin, NJ 3.9 mi
10307 Staten Island, NY 5.0 mi
07734 Keansburg, NJ 5.2 mi
07733 Holmdel, NJ 5.3 mi
07751 Morganville, NJ 5.4 mi
08857 Old Bridge, NJ 5.8 mi

Find every ZIP code within 10 miles of 07721 →

Questions about this ZIP code

Where is ZIP code 07721?

07721 is in Cliffwood, New Jersey, in Monmouth County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.4353, -74.2360.

What county is 07721 in?

07721 spans 2 counties: Monmouth County and Middlesex County. Most of it falls in Monmouth 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 07721?

Cliffwood uses area codes 732 and 848, from NANPA's telephone records.

What time zone is 07721 in?

07721 uses America/New_York.

How many people live in 07721?

About 4,277 people live in ZIP code 07721, in 1,603 households, at 4,689.7 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 07721?

$123,060 a year, against $103,556 across New Jersey.

What ZIP codes are near 07721?

The closest are 07735 (1.2 mi), 07747 (1.9 mi), 08879 (3.1 mi), 07730 (3.4 mi) and 08859 (3.9 mi).

Is 07721 a PO Box ZIP code?

07721 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “07721 ZIP Code — Cliffwood, New Jersey (Monmouth County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/07721

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/07721.json

Underlying data is public domain or openly licensed — sources, vintages and licences.