ZIP Code 11798

11798 is one of New York's ZIP codes, delivering to addresses in Wyandanch, Suffolk County.

City: Wyandanch
County: Suffolk County
State: New York
Prefix: 117xx

Where this code sits

11798 is part of the 117xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Wyandanch.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 11798 delivers to without sharing its boundary.

ZIP codes nearest 11798

The ZIP codes whose reference points sit closest to 11798.
ZIP code	Distance	Delivers to
ZIP code 11707	2.6 mi	West Babylon, NY
ZIP code 11729	2.7 mi	Deer Park, NY
ZIP code 11704	2.9 mi	West Babylon, NY
ZIP code 11703	3.1 mi	North Babylon, NY
ZIP code 11747	3.2 mi	Melville, NY
ZIP code 11735	3.3 mi	Farmingdale, NY
ZIP code 11760	3.5 mi	Melville, NY
ZIP code 11775	3.5 mi	Melville, 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 11798, plotted from its record coordinates.

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

Scope ZIP code 11798. 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.