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/11571

11571

ZIP 11571 is in Rockville Centre, New York, in Nassau County; area codes 516 and 363; Eastern time. Rockville Centre has 2 ZIP codes; the other is 11570.

Type
No street area
Time zone
America/New_York
County
Nassau
Coordinates
40.6587, -73.6412

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 11570, whose figures describe that area — not this ZIP code.

☼ Live from 11571 — Rockville Centre, NY

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Where 11571 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 11571
  • 🔢 Type 11571 into a pocket calculator and turn it upside down: ILSII — not quite a word, sorry.
  • ➕ As a number, 11,571 = 3 × 7 × 19 × 29. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110100110011
  • 🏠 Its numerical neighbours: 11570 (Rockville Centre, NY, 0 mi away) and 11572 (Oceanside, NY, 2 mi away).
  • 🔄 Backwards, 11571 becomes 17511, which is not a ZIP code at all.
  • 👥 5 other ZIP codes are made of exactly the same digits (11715, 11751, 15711, 71115, 71151). The farthest-flung twin is 71115 in Shreveport, LA, 1,246 miles away.
  • 🧭 Farther north than 62% of all ZIP codes, and farther east than 92%.
  • 🎯1,312 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 11571 and you would come out at 40.66°S, 106.36°E — 800 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 05m of daylight. Shortest: 9h 15m.
🌙 The sky over 11571 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments7This ZIP7
Employees35This ZIP35
Annual payroll$1,720,000This ZIP$1,720,000

Land area

ZIP codes near 11571

ZIPCityDistance
11570 Rockville Centre, NY 0.5 mi
11563 Lynbrook, NY 1.7 mi
11510 Baldwin, NY 1.9 mi
11572 Oceanside, NY 1.9 mi
11565 Malverne, NY 2.0 mi
11518 East Rockaway, NY 2.0 mi
11552 West Hempstead, NY 2.4 mi
11520 Freeport, NY 3.1 mi
11550 Hempstead, NY 3.1 mi
11557 Hewlett, NY 3.2 mi

Find every ZIP code within 10 miles of 11571 →

Questions about this ZIP code

Where is ZIP code 11571?

11571 is in Rockville Centre, New York, in Nassau County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.6587, -73.6412.

What county is 11571 in?

11571 lies in Nassau County.

What area code is 11571?

Rockville Centre uses area codes 516 and 363, from NANPA's telephone records.

What time zone is 11571 in?

11571 uses America/New_York.

What ZIP codes are near 11571?

The closest are 11570 (0.5 mi), 11563 (1.7 mi), 11510 (1.9 mi), 11572 (1.9 mi) and 11565 (2 mi).

Is 11571 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “11571 ZIP Code — Rockville Centre, New York (Nassau County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/11571

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/11571.json

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