Find the last 4 digits (ZIP+4) for an address in 11783

ZIP 11783, Seaford, NY is filled in. Just type the street address.

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ZIP Code 11783 – Seaford, NY

Seaford, New York · Nassau County · Eastern time

ZIP code11783
CitySeaford
StateNew York
CountyNassau County
Population21,127
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area3.54 sq mi
Center (lat, long)40.6776, -73.4900

Area codes in this area

516363

These are the area codes that most often serve ZIP 11783 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

11762 Massapequa Park · 2.3 mi11710 Bellmore · 2.4 mi11793 Wantagh · 2.4 mi11758 Massapequa · 2.4 mi11756 Levittown · 3.5 mi11566 Merrick · 3.6 mi11701 Amityville · 4 mi11737 Farmingdale · 4.5 mi

About ZIP 11783

ZIP code 11783 is assigned to Seaford, New York. It lies in Nassau County. Its Census area covers about 3.54 square miles of land. The closest neighboring ZIP is 11762 (Massapequa Park), about 2.3 miles away.

Every address in 11783 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources