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zipcodes.pro — ZIP/11722

11722

ZIP 11722 is Central Islip, New York, in Suffolk County; area codes 631, 516 and 934; Eastern time.

Type
Standard
Time zone
America/New_York
County
Suffolk
Population
39,033
Coordinates
40.7836, -73.1966
☼ Live from 11722 — Central Islip, NY

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NEXRAD radar
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Local time: —

Where 11722 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 11722
  • 🔢 Type 11722 into a pocket calculator and turn it upside down: ZZLII — not quite a word, sorry.
  • ➕ As a number, 11,722 = 2 × 5861. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110111001010
  • 🏠 Its numerical neighbours: 11721 (Centerport, NY, 12 mi away) and 11724 (Cold Spring Harbor, NY, 15 mi away).
  • 🔄 Backwards, 11722 becomes 22711 — and that is a real ZIP code: Banco, VA, 314 miles away.
  • 👥 13 other ZIP codes are made of exactly the same digits (12172, 12721, 17122, 17212, 17221, 21217, …). The farthest-flung twin is 71212 in Monroe, LA, 1,188 miles away.
  • 🧭 Farther north than 64% of all ZIP codes, and farther east than 93%.
  • 🎯1,334 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 11722 and you would come out at 40.78°S, 106.80°E — 790 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 06m of daylight. Shortest: 9h 15m.
  • 📏 At 7.0 square miles of land, 11722 is bigger than 22% of ZIP codes — room for about 5.3 Central Parks.
🌙 The sky over 11722 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population39,033This ZIP39,033
Households9,660This ZIP9,660
Housing units10,791This ZIP10,791
Median age34.9This ZIP34.9New York39.8US 38.9
Median household income$114,049This ZIP$114,049New York$85,974US $80,734
Median home value$436,600This ZIP$436,600New York$423,800US $332,700
Median gross rent$2,055This ZIP$2,055New York$1,621US $1,413
Bachelor's degree or higher19.3%This ZIP19.3%
Mean commute27.1 minThis ZIP27.1 min
Population density5,601.8 / sq miThis ZIP5,601.8 / sq mi

Business and tax activity

Business establishments607This ZIP607
Employees5,933This ZIP5,933
Annual payroll$312,538,000This ZIP$312,538,000
Tax returns filed21,020This ZIP21,020
Total adjusted gross income$1,105,363,000This ZIP$1,105,363,000

Land area

Land area6.97 sq miThis ZIP6.97 sq mi
Water area0.00 sq mi

Other place names in 11722

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

ZIP codes near 11722

ZIPCityDistance
11749 Islandia, NY 2.1 mi
11752 Islip Terrace, NY 2.1 mi
11788 Hauppauge, NY 2.5 mi
11717 Brentwood, NY 2.9 mi
11716 Bohemia, NY 3.3 mi
11751 Islip, NY 3.8 mi
11730 East Islip, NY 3.9 mi
11779 Ronkonkoma, NY 4.8 mi
11787 Smithtown, NY 4.9 mi
11769 Oakdale, NY 5.0 mi

Find every ZIP code within 10 miles of 11722 →

Questions about this ZIP code

Where is ZIP code 11722?

11722 is in Central Islip, New York, in Suffolk County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.7836, -73.1966.

What county is 11722 in?

11722 lies in Suffolk County.

What area code is 11722?

Central Islip uses area codes 631, 516 and 934, from NANPA's telephone records.

What time zone is 11722 in?

11722 uses America/New_York.

How many people live in 11722?

About 39,033 people live in ZIP code 11722, in 9,660 households, at 5,601.8 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 11722?

$114,049 a year, against $85,974 across New York.

What ZIP codes are near 11722?

The closest are 11749 (2.1 mi), 11752 (2.1 mi), 11788 (2.5 mi), 11717 (2.9 mi) and 11716 (3.3 mi).

Is 11722 a PO Box ZIP code?

11722 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “11722 ZIP Code — Central Islip, New York (Suffolk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/11722

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