Holtsville, NY 00544

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IRS Service Center, NY 00544

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The 00544 ZIP Code is centered¹ in Suffolk County at latitude 40.813 and longitude -73.049. It is a unique - single entity - type ZIP Code. Suffolk County is in the Eastern Time Zone (UTC -5 hours) and observes daylight savings time.

Holtsville, NY 00544 Map (Marker is ZIP Code Centroid)

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Nearby Cities, Towns & Census Designated Places

Holtsville, NY (< 0.1 mile)
Holbrook, NY (1.4 miles W)
Farmingville, NY (1.4 miles NE)
Patchogue Highlands, NY (2.4 miles SSE)
North Patchogue, NY (2.7 miles SE)

Medford, NY (2.7 miles E)
Ronkonkoma, NY (3.4 miles W)
Patchogue, NY (3.6 miles SSE)
Lakeland, NY (3.6 miles W)
Selden, NY (3.9 miles N)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

Indian Landing, NY (8.5 miles ESE)
Wading River Landing, NY (14.7 miles NE)

ZIP Codes - Key Concepts

ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
The centroid of a ZIP Code may be in one County and the associated city/town in another.
In rural areas, a single ZIP Code may be used for cities and towns in several different Counties.
ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
ZIP Codes are only loosely tied to cities.

¹ Keeping the above key concepts in mind, what we informally refer to as the "center" of a ZIP Code is most often actually the centroid of a polygon.