About ZIP Code 10543

ZIP code 10543 is assigned to Mamaroneck, Westchester County, New York, United States. It falls in the Eastern Time (ET) zone. The estimated population of this ZIP code area is 20,989 with a density of 1,892 people per square mile.

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Location Details

ZIP Code10543
CityMamaroneck
CountyWestchester County
CountryUnited States
TimezoneEastern Time (ET)
Timezone IDAmerica/New_York
Latitude40.9527
Longitude-73.7365
ZIP TypeStandard ZIP

Post Office

Address309 MOUNT PLEASANT AVE
CityMAMARONECK
StateNY

Nearby ZIP Codes in New York

Frequently Asked Questions

What city is ZIP code 10543 in?

ZIP code 10543 is in Mamaroneck, Westchester County, New York, United States.

What county is ZIP code 10543 in?

ZIP code 10543 is in Westchester County, New York.

What timezone is ZIP code 10543 in?

ZIP code 10543 is in the Eastern Time (ET) zone (America/New_York).

What is the population of ZIP code 10543?

The estimated population of ZIP code 10543 is 20,989 people with a density of 1,892 people per square mile.

What state is ZIP code 10543 in?

ZIP code 10543 is in New York (NY), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.