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/NEW-SUFFOLK

New Suffolk ZIP code, New York

The ZIP code for New Suffolk, NY is 11956, and its area codes are 631 and 934.

USPS city name
1 ZIP code
Population
298
Area codes
631, 934

NANPA lists no telephone rate centre for New Suffolk itself, so these are the area codes of the nearest one, Peconic (3.3 miles). A town on an area-code boundary can differ from its neighbour.

New Suffolk in numbers

About 298 people live in New Suffolk, in 141 households. The median household income is $130,875 a year, 52% above the New York median of $85,974 (US: $80,734). The median owner-occupied home is valued at $1,060,000 (2.5 times the New York median). The median age is 62.5; 72.1% of adults 25 and over hold a bachelor's degree or higher (40.2% across New York); the average commute takes 59 minutes.

Population298New Suffolk298
Households141New Suffolk141
Median age62.5New Suffolk62.5New York39.8US 38.9
Median household income$130,875New Suffolk$130,875New York$85,974US $80,734
Median home value$1,060,000New Suffolk$1,060,000New York$423,800US $332,700
Bachelor's degree or higher72.1%New Suffolk72.1%New York40.2%US 35.7%
Mean commute58.7 minNew Suffolk58.7 minNew York32.6 minUS 26.4 min
Population density536 / sq miNew Suffolk536 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place New Suffolk CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as New Suffolk

ZIP codes with the USPS city name New Suffolk
ZIP City Type Population Median income Median home
11956 New Suffolk , NY Standard 298 $130,875 $1,060,000

Map of New Suffolk ZIP codes

11956

The ZIP codes of New Suffolk, 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 New Suffolk

The nearest larger towns are Cutchogue (2,835 people, 1.8 mi), Peconic (848 people, 3.0 mi) and Mattituck (4,606 people, 3.5 mi).

Towns near New Suffolk
TownPopulationDistance
Cutchogue 2,835 1.8 mi
Mattituck 4,606 3.5 mi
Southold 6,397 5.4 mi
North Sea 6,458 5.8 mi
Noyack 4,782 7.0 mi
Shinnecock Hills 2,545 7.6 mi
Water Mill 2,764 8.4 mi
Southampton 4,621 9.2 mi
Greenport 2,574 9.3 mi
Hampton Bays 15,706 9.4 mi
Flanders 6,609 10.0 mi
Riverhead 14,936 10.8 mi
East Quogue 5,406 11.6 mi
Riverside 4,038 12.0 mi

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

Cite this page

zipcodes.pro. “New Suffolk, NY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ny/new-suffolk

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