ZIP Code 12423

12423 is one of New York's ZIP codes, delivering to addresses in East Durham, Greene County.

City: East Durham
County: Greene County
State: New York
Prefix: 124xx

Where this code sits

12423 is part of the 124xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to East Durham.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 12423 delivers to without sharing its boundary.

ZIP codes nearest 12423

The ZIP codes whose reference points sit closest to 12423.
ZIP code	Distance	Delivers to
ZIP code 12431	2.5 mi	Freehold, NY
ZIP code 12460	2.6 mi	Oak Hill, NY
ZIP code 12418	3.1 mi	Cornwallville, NY
ZIP code 12422	3.9 mi	Durham, NY
ZIP code 12405	4.1 mi	Acra, NY
ZIP code 12120	4.6 mi	Medusa, NY
ZIP code 12083	4.9 mi	Greenville, NY
ZIP code 12470	6.5 mi	Purling, 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 12423, plotted from its record coordinates.

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

Scope ZIP code 12423. 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.