ZIP Code 11940

11940 is one of New York's ZIP codes, delivering to addresses in East Moriches, Suffolk County.

City: East Moriches
County: Suffolk County
State: New York
Prefix: 119xx

Where this code sits

11940 is part of the 119xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to East Moriches.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 11940 delivers to without sharing its boundary.

ZIP codes nearest 11940

The ZIP codes whose reference points sit closest to 11940.
ZIP code	Distance	Delivers to
ZIP code 11941	2.0 mi	Eastport, NY
ZIP code 11934	2.3 mi	Center Moriches, NY
ZIP code 11960	2.5 mi	Remsenburg, NY
ZIP code 11972	2.6 mi	Speonk, NY
ZIP code 11949	3.3 mi	Manorville, NY
ZIP code 11955	3.6 mi	Moriches, NY
ZIP code 11977	4.4 mi	Westhampton, NY
ZIP code 11950	5.4 mi	Mastic, 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 11940, plotted from its record coordinates.

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

Scope ZIP code 11940. 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.