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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/10577

10577

ZIP 10577 is Purchase, New York, in Westchester County; area code 914; Eastern time.

Type
Standard
Time zone
America/New_York
County
Westchester
Population
5,945
Coordinates
41.0382, -73.7107
☼ Live from 10577 — Purchase, NY

Weather right now

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NEXRAD radar
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Local time: —

Where 10577 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.

★ Weird and wonderful facts about 10577
  • 🔢 Type 10577 into a pocket calculator and turn it upside down: LLSOI — not quite a word, sorry.
  • ➕ As a number, 10,577 = 7 × 1511. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100101010001
  • 🏠 Its numerical neighbours: 10576 (Pound Ridge, NY, 15 mi away) and 10578 (Purdys, NY, 19 mi away).
  • 🔄 Backwards, 10577 becomes 77501 — and that is a real ZIP code: Pasadena, TX, 1,437 miles away.
  • 👥 32 other ZIP codes are made of exactly the same digits (01757, 01775, 07175, 07715, 07751, 15077, …). The farthest-flung twin is 57701 in Rapid City, SD, 1,507 miles away.
  • 🧭 Farther north than 67% of all ZIP codes, and farther east than 92%.
  • 🎯1,306 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 10577 and you would come out at 41.04°S, 106.29°E — 822 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 08m of daylight. Shortest: 9h 13m.
  • 📏 At 6.6 square miles of land, 10577 is bigger than 22% of ZIP codes — room for about 5.0 Central Parks.
🌙 The sky over 10577 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population5,945This ZIP5,945
Households794This ZIP794
Housing units883This ZIP883
Median age21.3This ZIP21.3New York39.8US 38.9
Median household income$250,000+This ZIP$250,000+New York$85,974US $80,734
Median home value$1,631,800This ZIP$1,631,800New York$423,800US $332,700
Bachelor's degree or higher72.6%This ZIP72.6%
Mean commute19.6 minThis ZIP19.6 min
Population density896.7 / sq miThis ZIP896.7 / sq mi

Business and tax activity

Business establishments321This ZIP321
Employees13,705This ZIP13,705
Annual payroll$3,000,709,000This ZIP$3,000,709,000
Tax returns filed1,510This ZIP1,510
Total adjusted gross income$1,495,153,000This ZIP$1,495,153,000

Land area

Land area6.63 sq miThis ZIP6.63 sq mi
Water area0.03 sq miThis ZIP0.03 sq mi

Other place names in 10577

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 10577

ZIPCityDistance
10573 Port Chester, NY 2.3 mi
10605 White Plains, NY 2.6 mi
10602 White Plains, NY 2.7 mi
10601 White Plains, NY 2.8 mi
10604 West Harrison, NY 3.0 mi
10606 White Plains, NY 3.6 mi
10603 White Plains, NY 3.8 mi
10580 Rye, NY 4.2 mi
06836 Greenwich, CT 4.4 mi
06831 Greenwich, CT 4.4 mi

Find every ZIP code within 10 miles of 10577 →

Questions about this ZIP code

Where is ZIP code 10577?

10577 is in Purchase, New York, in Westchester County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 41.0382, -73.7107.

What county is 10577 in?

10577 lies in Westchester County.

What area code is 10577?

Purchase uses area code 914, from NANPA's telephone records.

What time zone is 10577 in?

10577 uses America/New_York.

How many people live in 10577?

About 5,945 people live in ZIP code 10577, in 794 households, at 896.7 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 10577?

$250,000+ a year, against $85,974 across New York.

What ZIP codes are near 10577?

The closest are 10573 (2.3 mi), 10605 (2.6 mi), 10602 (2.7 mi), 10601 (2.8 mi) and 10604 (3 mi).

Is 10577 a PO Box ZIP code?

10577 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “10577 ZIP Code — Purchase, New York (Westchester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/10577

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