12743
ZIP 12743 is Highland Lake, New York, in Sullivan County; area code 845; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Sullivan
- Metro area
- Monticello, NY
- Population
- 279
- Coordinates
- 41.5351, -74.8404
Weather right now
Asking the National Weather Service…
Where 12743 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 12743 into a pocket calculator and turn it upside down: EhLZI — not quite a word, sorry.
- ➕ 12743 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:
11000111000111 - 🏠 Its numerical neighbours: 12742 (Harris, NY, 14 mi away) and 12745 (Hortonville, NY, 20 mi away).
- 🔄 Backwards, 12743 becomes 34721, which is not a ZIP code at all.
- 👥 54 other ZIP codes are made of exactly the same digits (12473, 12734, 13472, 14273, 14723, 14732, …). The farthest-flung twin is 73142 in Oklahoma City, OK, 1,294 miles away.
- 🧭 Farther north than 71% of all ZIP codes, and farther east than 88%.
- 🎯1,245 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 12743 and you would come out at 41.54°S, 105.16°E — 887 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 11m of daylight. Shortest: 9h 10m.
- 📏 At 7.5 square miles of land, 12743 is bigger than 23% of ZIP codes — room for about 5.7 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 279This ZIP279 |
|---|---|
| Households | 138This ZIP138 |
| Housing units | 251This ZIP251 |
| Median age | 60.1This ZIP60.1New York39.8US 38.9 |
| Median household income | $86,053This ZIP$86,053New York$85,974US $80,734 |
| Median home value | $270,800This ZIP$270,800New York$423,800US $332,700 |
| Bachelor's degree or higher | 21.8%This ZIP21.8% |
| Mean commute | 18.3 minThis ZIP18.3 min |
| Population density | 37.2 / sq miThis ZIP37.2 / sq mi |
Business and tax activity
| Business establishments | 3This ZIP3 |
|---|---|
| Employees | 8This ZIP8 |
| Annual payroll | $448,000This ZIP$448,000 |
| Tax returns filed | 160This ZIP160 |
| Total adjusted gross income | $14,793,000This ZIP$14,793,000 |
Land area
| Land area | 7.51 sq miThis ZIP7.51 sq mi |
|---|---|
| Water area | 0.62 sq miThis ZIP0.62 sq mi |
ZIP codes near 12743
| ZIP | City | Distance |
|---|---|---|
12732 | Eldred, NY | 2.2 mi |
12737 | Glen Spey, NY | 3.2 mi |
12719 | Barryville, NY | 4.4 mi |
12770 | Pond Eddy, NY | 6.1 mi |
12792 | Yulan, NY | 6.3 mi |
12777 | Forestburgh, NY | 7.0 mi |
12786 | White Lake, NY | 7.2 mi |
12720 | Bethel, NY | 8.3 mi |
12780 | Sparrow Bush, NY | 8.8 mi |
12778 | Smallwood, NY | 8.9 mi |
Find every ZIP code within 10 miles of 12743 →
Questions about this ZIP code
Where is ZIP code 12743?
12743 is in Highland Lake, New York, in Sullivan County, part of the Monticello, NY micropolitan area. Its published point location is 41.5351, -74.8404.
What county is 12743 in?
12743 lies in Sullivan County.
What area code is 12743?
Highland Lake uses area code 845, from NANPA's telephone records.
What time zone is 12743 in?
12743 uses America/New_York.
How many people live in 12743?
About 279 people live in ZIP code 12743, in 138 households, at 37.2 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 12743?
$86,053 a year, against $85,974 across New York.
What ZIP codes are near 12743?
The closest are 12732 (2.2 mi), 12737 (3.2 mi), 12719 (4.4 mi), 12770 (6.1 mi) and 12792 (6.3 mi).
Is 12743 a PO Box ZIP code?
12743 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “12743 ZIP Code — Highland Lake, New York (Sullivan County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/12743
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/12743.json Underlying data is public domain or openly licensed — sources, vintages and licences.