How many zip codes does Holtsville, New York have?

Holtsville, New York has 3 zip codes.

What is the main zip code for Holtsville, New York?

The primary zip code for Holtsville, New York is 00501.

What county is Holtsville, New York in?

Holtsville is in Suffolk County, New York.

What is the area code for Holtsville, New York?

Holtsville, New York uses area code 212 / 718 / 646 / 347 / 917 / 516 / 914 / 315 / 716.

What time zone is Holtsville, New York in?

Holtsville, New York is in the Eastern Time Zone.

Holtsville, New York Zip Codes

City

Holtsville

State

New York

Primary County

Suffolk

Total Zip Codes

Holtsville is a city in Suffolk County, New York. Below you'll find all zip codes for Holtsville with population, county, and type information. Click any zip code for detailed demographics, maps, and nearby zip codes.

All Holtsville Zip Codes

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ZIP Code	City	County	Population	Type
00501	Holtsville	Suffolk	15,296	Unique
00544	Holtsville	Suffolk	9,639	Unique
11742	Holtsville	Suffolk	16,893	Standard

Holtsville Zip Code Map

Interactive map of Holtsville, New York. Click any marker to explore zip codes.

Holtsville Demographics

Population

41,828

Combined zip code population

Area Code

212 / 718 / 646 / 347 / 917 / 516 / 914 / 315 / 716

Time Zone

Eastern

Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).