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Where 11717 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 11717 into a pocket calculator and turn it upside down: LILII — not quite a word, sorry.
- ➕ 11717 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 17, a total 2,133 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10110111000101 - 🏠 Its numerical neighbours: 11716 (Bohemia, NY, 6 mi away) and 11718 (Brightwaters, NY, 5 mi away).
- 🔄 Backwards, 11717 becomes 71711 — and that is a real ZIP code: Camden, AR, 1,184 miles away.
- 👥 3 other ZIP codes are made of exactly the same digits (11771, 71171, 71711). The farthest-flung twin is 71171 in Bossier City, LA, 1,267 miles away.
- 🧭 Farther north than 64% of all ZIP codes, and farther east than 92%.
- 🎯1,332 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 11717 and you would come out at 40.78°S, 106.75°E — 792 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 06m of daylight. Shortest: 9h 15m.
- 📏 At 10.7 square miles of land, 11717 is bigger than 28% of ZIP codes — room for about 8.2 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
Business and tax activity
| Business establishments | 962This ZIP962 |
|---|---|
| Employees | 12,065This ZIP12,065 |
| Annual payroll | $721,157,000This ZIP$721,157,000 |
| Tax returns filed | 34,500This ZIP34,500 |
| Total adjusted gross income | $1,625,959,000This ZIP$1,625,959,000 |
Land area
| Land area | 10.74 sq miThis ZIP10.74 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 11717
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 11717
| ZIP | City | Distance |
|---|---|---|
11722 | Central Islip, NY | 2.9 mi |
11788 | Hauppauge, NY | 3.1 mi |
11729 | Deer Park, NY | 4.1 mi |
11725 | Commack, NY | 4.2 mi |
11751 | Islip, NY | 4.2 mi |
11752 | Islip Terrace, NY | 4.5 mi |
11749 | Islandia, NY | 4.5 mi |
11718 | Brightwaters, NY | 4.7 mi |
11706 | Bay Shore, NY | 5.1 mi |
11703 | North Babylon, NY | 5.2 mi |
Find every ZIP code within 10 miles of 11717 →
Questions about this ZIP code
Where is ZIP code 11717?
11717 is in Brentwood, New York, in Suffolk County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.7841, -73.2522.
What county is 11717 in?
11717 lies in Suffolk County.
What area code is 11717?
Brentwood uses area codes 631, 516 and 934, from NANPA's telephone records.
What time zone is 11717 in?
11717 uses America/New_York.
What ZIP codes are near 11717?
The closest are 11722 (2.9 mi), 11788 (3.1 mi), 11729 (4.1 mi), 11725 (4.2 mi) and 11751 (4.2 mi).
Is 11717 a PO Box ZIP code?
11717 is a standard ZIP code. A normal ZIP code with street delivery.
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Cite this page
zipcodes.pro. “11717 ZIP Code — Brentwood, New York (Suffolk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/11717
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/11717.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.