Find the last 4 digits (ZIP+4) for an address in 11777

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ZIP Code 11777 – Port Jefferson, NY

Port Jefferson, New York · Suffolk County · Eastern time

ZIP code11777
CityPort Jefferson
StateNew York
CountySuffolk County
Population9,396
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area4.39 sq mi
Center (lat, long)40.9561, -73.0667

Area codes in this area

631934

These are the area codes that most often serve ZIP 11777 (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

11733 East Setauket · 2.6 mi11766 Mount Sinai · 2.8 mi11776 Port Jefferson Station · 3.1 mi11794 Stony Brook · 4 mi11790 Stony Brook · 4.6 mi11789 Sound Beach · 5 mi11764 Miller Place · 5.2 mi11720 Centereach · 6 mi

About ZIP 11777

ZIP code 11777 is assigned to Port Jefferson, New York. It lies in Suffolk County. Its Census area covers about 4.39 square miles of land. The closest neighboring ZIP is 11733 (East Setauket), about 2.6 miles away.

Every address in 11777 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