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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/12456

12456

ZIP 12456 is Mount Marion, New York, in Ulster County; area codes 845, 914 and 329; Eastern time.

Type
Standard
Time zone
America/New_York
County
Ulster
Metro area
Kingston, NY
Population
390
Coordinates
42.0327, -73.9971
☼ Live from 12456 — Mount Marion, NY

Weather right now

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Local time: —

Where 12456 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 12456
  • 🔢 Type 12456 into a pocket calculator and turn it upside down: gShZI — not quite a word, sorry.
  • ➕ As a number, 12,456 = 2 × 2 × 2 × 3 × 3 × 173. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000010101000
  • 🏠 Its numerical neighbours: 12455 (Margaretville, NY, 35 mi away) and 12457 (Mount Tremper, NY, 13 mi away).
  • 🔄 Backwards, 12456 becomes 65421, which is not a ZIP code at all.
  • 👥 57 other ZIP codes are made of exactly the same digits (12465, 12546, 12564, 14265, 14526, 14625, …). The farthest-flung twin is 56142 in Ivanhoe, MN, 1,128 miles away.
  • 🧭 Farther north than 75% of all ZIP codes, and farther east than 90%.
  • 🎯1,288 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 12456 and you would come out at 42.03°S, 106.00°E — 882 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 15m of daylight. Shortest: 9h 07m.
  • 📏 At 0.540 square miles of land, 12456 is bigger than 6% of ZIP codes — about 261 football fields.
🌙 The sky over 12456 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population390This ZIP390
Households218This ZIP218
Housing units218This ZIP218
Median age49.2This ZIP49.2New York39.8US 38.9
Median household income$63,833This ZIP$63,833New York$85,974US $80,734
Median home value$238,200This ZIP$238,200New York$423,800US $332,700
Bachelor's degree or higher11.7%This ZIP11.7%
Mean commute18.8 minThis ZIP18.8 min
Population density722.2 / sq miThis ZIP722.2 / sq mi

Business and tax activity

Business establishments3This ZIP3
Employees27This ZIP27
Annual payroll$1,420,000This ZIP$1,420,000
Tax returns filed370This ZIP370
Total adjusted gross income$20,812,000This ZIP$20,812,000

Land area

Land area0.54 sq miThis ZIP0.54 sq mi
Water area0.02 sq miThis ZIP0.02 sq mi

ZIP codes near 12456

ZIPCityDistance
12475 Ruby, NY 1.5 mi
12449 Lake Katrine, NY 2.8 mi
12432 Glasco, NY 2.9 mi
12401 Kingston, NY 3.2 mi
12477 Saugerties, NY 4.2 mi
12507 Barrytown, NY 4.4 mi
12504 Annandale On Hudson, NY 4.6 mi
12453 Malden On Hudson, NY 5.2 mi
12498 Woodstock, NY 5.8 mi
12583 Tivoli, NY 6.1 mi

Find every ZIP code within 10 miles of 12456 →

Questions about this ZIP code

Where is ZIP code 12456?

12456 is in Mount Marion, New York, in Ulster County, part of the Kingston, NY metropolitan area. Its published point location is 42.0327, -73.9971.

What county is 12456 in?

12456 lies in Ulster County.

What area code is 12456?

Mount Marion uses area codes 845, 914 and 329, from NANPA's telephone records.

What time zone is 12456 in?

12456 uses America/New_York.

How many people live in 12456?

About 390 people live in ZIP code 12456, in 218 households, at 722.2 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 12456?

$63,833 a year, against $85,974 across New York.

What ZIP codes are near 12456?

The closest are 12475 (1.5 mi), 12449 (2.8 mi), 12432 (2.9 mi), 12401 (3.2 mi) and 12477 (4.2 mi).

Is 12456 a PO Box ZIP code?

12456 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “12456 ZIP Code — Mount Marion, New York (Ulster County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/12456

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