Find the last 4 digits (ZIP+4) for an address in 10543

ZIP 10543, Mamaroneck, NY is filled in. Just type the street address.

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ZIP Code 10543 – Mamaroneck, NY

Mamaroneck, New York · Westchester County · Eastern time

ZIP code10543
CityMamaroneck
StateNew York
CountyWestchester County
Population20,989
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area4.28 sq mi
Center (lat, long)40.9527, -73.7360

Area codes in this area

914

These are the area codes that most often serve ZIP 10543 (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

10538 Larchmont · 1.5 mi10528 Harrison · 1.6 mi10804 New Rochelle · 2.7 mi10580 Rye · 2.9 mi10801 New Rochelle · 3.5 mi10583 Scarsdale · 3.7 mi10802 New Rochelle · 3.7 mi10709 Eastchester · 3.8 mi

About ZIP 10543

ZIP code 10543 is assigned to Mamaroneck, New York. It lies in Westchester County. Its Census area covers about 4.28 square miles of land. The closest neighboring ZIP is 10538 (Larchmont), about 1.5 miles away.

Every address in 10543 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