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/JAMESPORT

Jamesport ZIP code, New York

The ZIP code for Jamesport, NY is 11947, and its area codes are 631 and 934.

USPS city name
1 ZIP code
Overlapping the city
3 more
Population
1,593
Area codes
631, 934

Mail addressed to Jamesport uses the ZIP code above. 3 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Jamesport in numbers

About 1,593 people live in Jamesport, in 799 households. The median household income is $97,005 a year, 13% above the New York median of $85,974 (US: $80,734). The median owner-occupied home is valued at $674,800 (59% above the New York median). The median age is 65.7; 41.8% of adults 25 and over hold a bachelor's degree or higher (40.2% across New York); the average commute takes 36 minutes.

Population1,593Jamesport1,593
Households799Jamesport799
Median age65.7Jamesport65.7New York39.8US 38.9
Median household income$97,005Jamesport$97,005New York$85,974US $80,734
Median home value$674,800Jamesport$674,800New York$423,800US $332,700
Bachelor's degree or higher41.8%Jamesport41.8%New York40.2%US 35.7%
Mean commute36.2 minJamesport36.2 minNew York32.6 minUS 26.4 min
Population density354 / sq miJamesport354 / sq mi

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

ZIP codes addressed as Jamesport

ZIP codes with the USPS city name Jamesport
ZIP City Type Population Median income Median home
11947 Jamesport , NY Standard 148 — —

Other ZIP codes overlapping Jamesport

These ZIP codes cover part of Jamesport but are addressed as somewhere else.

ZIP codes overlapping Jamesport
ZIP City Type Population Median income Median home
11901 Riverhead , NY Standard 33,091 $85,061 $453,800
11948 Laurel , NY Standard 924 $148,398 $880,100
11970 South Jamesport , NY Standard 416 — $779,900

Map of Jamesport ZIP codes

11947

The ZIP codes of 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 Jamesport

The nearest larger towns are Aquebogue (1,869 people, 2.0 mi), Northville (1,912 people, 2.7 mi) and Mattituck (4,606 people, 3.8 mi).

Towns near Jamesport
TownPopulationDistance
Mattituck 4,606 3.8 mi
Riverhead 14,936 4.9 mi
Flanders 6,609 5.1 mi
Riverside 4,038 6.0 mi
Cutchogue 2,835 6.5 mi
Hampton Bays 15,706 7.5 mi
East Quogue 5,406 8.0 mi
Baiting Hollow 2,614 8.4 mi
Shinnecock Hills 2,545 8.4 mi
Westhampton 3,900 8.8 mi
North Sea 6,458 9.5 mi
Calverton 5,618 10.3 mi
Southold 6,397 10.8 mi
Southampton 4,621 11.1 mi

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

Cite this page

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

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