Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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 — CITY/NY/GREENFIELD-PARK

Greenfield Park ZIP code, New York

The ZIP code for Greenfield Park, NY is 12435, and its area codes are 845 and 329.

USPS city name
1 ZIP code
Population
209
Area codes
845, 329

NANPA lists no telephone rate centre for Greenfield Park itself, so these are the area codes of the nearest one, Ellenville (2.5 miles). A town on an area-code boundary can differ from its neighbour.

Greenfield Park in numbers

About 209 people live in Greenfield Park, in 84 households. The median household income is $112,813 a year, 31% above the New York median of $85,974 (US: $80,734). The median owner-occupied home is valued at $220,000 (48% below the New York median).

Population209Greenfield Park209
Households84Greenfield Park84
Median household income$112,813Greenfield Park$112,813New York$85,974US $80,734
Median home value$220,000Greenfield Park$220,000New York$423,800US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Greenfield Park. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Greenfield Park

ZIP codes with the USPS city name Greenfield Park
ZIP City Type Population Median income Median home
12435 Greenfield Park , NY Standard 209 $112,813 $220,000

Map of Greenfield Park ZIP codes

12435

The ZIP codes of Greenfield Park, NY, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Greenfield Park

The nearest larger towns are Mountain Dale (499 people, 2.3 mi), Woodridge (955 people, 4.0 mi) and Woodbourne (439 people, 5.6 mi).

Towns near Greenfield Park
TownPopulationDistance
Ellenville 4,211 7.3 mi
Rock Hill 2,546 8.4 mi
Monticello 7,279 10.7 mi
Liberty 5,142 13.5 mi
Watchtower 3,974 13.7 mi
Scotchtown 10,252 18.4 mi
Montgomery 3,798 19.4 mi
Middletown 30,289 19.6 mi
Walden 6,868 19.7 mi
Mechanicstown 8,808 19.8 mi
New Paltz 8,314 21.9 mi
Maybrook 3,142 22.0 mi
Goshen 5,773 23.9 mi
Orange Lake 9,784 24.5 mi

More nearby: every ZIP code in Ulster County · New York ZIP codes

Cite this page

zipcodes.pro. “Greenfield Park, NY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ny/greenfield-park

Underlying data is public domain or openly licensed — sources, vintages and licences.