ZIP Code 12435

12435 is one of New York's ZIP codes, delivering to addresses in Greenfield Park, Ulster County.

City: Greenfield Park
County: Ulster County
State: New York
Prefix: 124xx

Where this code sits

12435 is part of the 124xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Greenfield Park.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 12435 delivers to without sharing its boundary.

ZIP codes nearest 12435

The ZIP codes whose reference points sit closest to 12435.
ZIP code	Distance	Delivers to
ZIP code 12763	2.6 mi	Mountain Dale, NY
ZIP code 12789	3.3 mi	Woodridge, NY
ZIP code 12788	4.8 mi	Woodbourne, NY
ZIP code 12733	4.9 mi	Fallsburg, NY
ZIP code 12428	5.5 mi	Ellenville, NY
ZIP code 12738	6.0 mi	Glen Wild, NY
ZIP code 12779	6.6 mi	South Fallsburg, NY
ZIP code 12483	6.6 mi	Spring Glen, 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 12435, plotted from its record coordinates.

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

Scope ZIP code 12435. 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.