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/SOUTH-JAMESPORT

South Jamesport ZIP code, New York

The ZIP code for South Jamesport, NY is 11970, and its area codes are 631 and 934.

USPS city name
1 ZIP code
Population
416
Area codes
631, 934

NANPA lists no telephone rate centre for South Jamesport itself, so these are the area codes of the nearest one, Jamesport (0.5 miles). A town on an area-code boundary can differ from its neighbour.

South Jamesport in numbers

About 416 people live in South Jamesport, in 199 households. The median owner-occupied home is valued at $779,900 (84% above the New York median).

Population416South Jamesport416
Households199South Jamesport199
Median home value$779,900South Jamesport$779,900New York$423,800US $332,700

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

ZIP codes addressed as South Jamesport

ZIP codes with the USPS city name South Jamesport
ZIP City Type Population Median income Median home
11970 South Jamesport , NY Standard 416 — $779,900

Map of South Jamesport ZIP codes

11970

The ZIP codes of South Jamesport, 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 South Jamesport

The nearest larger towns are Jamesport (1,593 people, 1.4 mi), Aquebogue (1,869 people, 2.2 mi) and Laurel (1,360 people, 2.3 mi).

Towns near South Jamesport
TownPopulationDistance
Flanders 6,609 4.0 mi
Mattituck 4,606 4.8 mi
Riverhead 14,936 5.4 mi
Riverside 4,038 5.8 mi
Hampton Bays 15,706 6.1 mi
East Quogue 5,406 6.6 mi
Cutchogue 2,835 7.1 mi
Shinnecock Hills 2,545 7.3 mi
Westhampton 3,900 8.0 mi
North Sea 6,458 8.7 mi
Baiting Hollow 2,614 9.1 mi
Southampton 4,621 9.9 mi
Westhampton Beach 2,574 10.1 mi
Calverton 5,618 10.6 mi

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

Cite this page

zipcodes.pro. “South Jamesport, NY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ny/south-jamesport

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