ZIP Code 11566

11566 is one of New York's ZIP codes, delivering to addresses in Merrick, Nassau County.

City: Merrick
County: Nassau County
State: New York
Prefix: 115xx

Where this code sits

11566 is part of the 115xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Merrick.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 11566 delivers to without sharing its boundary.

ZIP codes nearest 11566

The ZIP codes whose reference points sit closest to 11566.
ZIP code	Distance	Delivers to
ZIP code 11710	0.9 mi	Bellmore, NY
ZIP code 11575	1.9 mi	Roosevelt, NY
ZIP code 11520	2.0 mi	Freeport, NY
ZIP code 11793	2.5 mi	Wantagh, NY
ZIP code 11555	3.0 mi	Uniondale, NY
ZIP code 11553	3.1 mi	Uniondale, NY
ZIP code 11510	3.1 mi	Baldwin, NY
ZIP code 11554	3.2 mi	East Meadow, NY

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 11566, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 11566. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.