11939
ZIP 11939 is East Marion, New York, in Suffolk County; area codes 631 and 934; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Suffolk
- Metro area
- New York-Newark-Jersey City, NY-NJ
- Population
- 1,331
- Coordinates
- 41.1390, -72.3187
Weather right now
Asking the National Weather Service…
Where 11939 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 11939 into a pocket calculator and turn it upside down: GEGII — not quite a word, sorry.
- ➕ 11939 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10111010100011 - 🏠 Its numerical neighbours: 11937 (East Hampton, NY, 12 mi away) and 11940 (East Moriches, NY, 32 mi away).
- 🔄 Backwards, 11939 becomes 93911, which is not a ZIP code at all.
- 👥 11 other ZIP codes are made of exactly the same digits (19139, 19193, 19319, 19931, 39119, 39191, …). The farthest-flung twin is 91319 in Newbury Park, CA, 2,562 miles away.
- 🧭 Farther north than 68% of all ZIP codes, and farther east than 94%.
- 🎯1,378 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 11939 and you would come out at 41.14°S, 107.68°E — 780 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 09m of daylight. Shortest: 9h 12m.
- 📏 At 2.2 square miles of land, 11939 is bigger than 12% of ZIP codes — room for about 1.7 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,331This ZIP1,331 |
|---|---|
| Households | 666This ZIP666 |
| Housing units | 1,146This ZIP1,146 |
| Median age | 68.1This ZIP68.1New York39.8US 38.9 |
| Median household income | $102,500This ZIP$102,500New York$85,974US $80,734 |
| Median home value | $857,800This ZIP$857,800New York$423,800US $332,700 |
| Bachelor's degree or higher | 51.0%This ZIP51.0% |
| Mean commute | 37.4 minThis ZIP37.4 min |
| Population density | 594.7 / sq miThis ZIP594.7 / sq mi |
Business and tax activity
| Business establishments | 19This ZIP19 |
|---|---|
| Employees | 64This ZIP64 |
| Annual payroll | $3,225,000This ZIP$3,225,000 |
| Tax returns filed | 560This ZIP560 |
| Total adjusted gross income | $138,544,000This ZIP$138,544,000 |
Land area
| Land area | 2.24 sq miThis ZIP2.24 sq mi |
|---|---|
| Water area | 5.42 sq miThis ZIP5.42 sq mi |
Other place names in 11939
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 11939
| ZIP | City | Distance |
|---|---|---|
11944 | Greenport, NY | 3.8 mi |
11965 | Shelter Island Heights, NY | 4.0 mi |
11964 | Shelter Island, NY | 6.2 mi |
11971 | Southold, NY | 7.7 mi |
11963 | Sag Harbor, NY | 9.5 mi |
11958 | Peconic, NY | 10.3 mi |
06376 | South Lyme, CT | 11.3 mi |
11957 | Orient, NY | 11.4 mi |
06475 | Old Saybrook, CT | 11.6 mi |
11937 | East Hampton, NY | 11.8 mi |
Find every ZIP code within 10 miles of 11939 →
Questions about this ZIP code
Where is ZIP code 11939?
11939 is in East Marion, New York, in Suffolk County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 41.1390, -72.3187.
What county is 11939 in?
11939 lies in Suffolk County.
What area code is 11939?
East Marion uses area codes 631 and 934, from NANPA's telephone records.
What time zone is 11939 in?
11939 uses America/New_York.
How many people live in 11939?
About 1,331 people live in ZIP code 11939, in 666 households, at 594.7 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 11939?
$102,500 a year, against $85,974 across New York.
What ZIP codes are near 11939?
The closest are 11944 (3.8 mi), 11965 (4 mi), 11964 (6.2 mi), 11971 (7.7 mi) and 11963 (9.5 mi).
Is 11939 a PO Box ZIP code?
11939 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “11939 ZIP Code — East Marion, New York (Suffolk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/11939
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/11939.json Underlying data is public domain or openly licensed — sources, vintages and licences.