ZIP Code 11970
About South Jamesport
South Jamesport is a hamlet in the town of Riverhead, Suffolk County, New York, United States. The community is located on the north shore of the Great Peconic Bay. South Jamesport has a post office with ZIP code 11970, which opened on February 2, 1893. On South Jamesport beach there are different types of sand, black sand and golden sand.
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Area Profile
US Census (ACS 5-year · Gazetteer)
468
population
1,188
people / sq mi
$729,000
median home value
73.5
median age
423
housing units
224
households
0.4
land area (sq mi)