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/11815

11815

ZIP 11815 is in Hicksville, New York, in Nassau County; area codes 516 and 363; Eastern time. Hicksville has 4 ZIP codes; the others are 11801, 11802 and 11819.

Type
No street area
Time zone
America/New_York
County
Nassau
Coordinates
40.7548, -73.6018

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 11590, whose figures describe that area — not this ZIP code.

☼ Live from 11815 — Hicksville, NY

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 11815 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 11815
  • 🔢 Type 11815 into a pocket calculator and turn it upside down: SIBII — not quite a word, sorry.
  • ➕ As a number, 11,815 = 5 × 17 × 139. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111000100111
  • 🏠 Its numerical neighbours: 11804 (Old Bethpage, NY, 8 mi away) and 11819 (Hicksville, NY, 4 mi away).
  • 🔄 Backwards, 11815 becomes 51811, which is not a ZIP code at all.
  • 👥 3 other ZIP codes are made of exactly the same digits (11518, 11581, 81151). The farthest-flung twin is 81151 in Sanford, CO, 1,731 miles away.
  • 🧭 Farther north than 64% of all ZIP codes, and farther east than 92%.
  • 🎯1,313 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 11815 and you would come out at 40.75°S, 106.40°E — 803 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 06m of daylight. Shortest: 9h 15m.
🌙 The sky over 11815 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Land area

ZIP codes near 11815

ZIPCityDistance
11022 Great Neck, NY 0.0 mi
11026 Great Neck, NY 0.0 mi
11051 Port Washington, NY 0.0 mi
11052 Port Washington, NY 0.0 mi
11053 Port Washington, NY 0.0 mi
11054 Port Washington, NY 0.0 mi
11055 Port Washington, NY 0.0 mi
11514 Carle Place, NY 0.7 mi
11590 Westbury, NY 1.4 mi
11501 Mineola, NY 2.0 mi

Find every ZIP code within 10 miles of 11815 →

Questions about this ZIP code

Where is ZIP code 11815?

11815 is in Hicksville, New York, in Nassau County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.7548, -73.6018.

What county is 11815 in?

11815 lies in Nassau County.

What area code is 11815?

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

What time zone is 11815 in?

11815 uses America/New_York.

What ZIP codes are near 11815?

The closest are 11022 (0 mi), 11026 (0 mi), 11051 (0 mi), 11052 (0 mi) and 11053 (0 mi).

Is 11815 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.

Download or cite

Cite this page

zipcodes.pro. “11815 ZIP Code — Hicksville, New York (Nassau County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/11815

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/11815.json

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