ZIP Code 12823

12823 is one of New York's ZIP codes, delivering to addresses in Cossayuna, Washington County.

City: Cossayuna
County: Washington County
State: New York
Prefix: 128xx

Where this code sits

12823 is part of the 128xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cossayuna.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 12823 delivers to without sharing its boundary.

ZIP codes nearest 12823

The ZIP codes whose reference points sit closest to 12823.
ZIP code	Distance	Delivers to
ZIP code 12809	4.2 mi	Argyle, NY
ZIP code 12865	4.7 mi	Salem, NY
ZIP code 12834	7.3 mi	Greenwich, NY
ZIP code 12873	7.3 mi	Shushan, NY
ZIP code 12848	7.6 mi	Middle Falls, NY
ZIP code 12828	9.6 mi	Fort Edward, NY
ZIP code 12816	9.7 mi	Cambridge, NY
ZIP code 12884	11 mi	Victory Mills, 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 12823, plotted from its record coordinates.

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

Scope ZIP code 12823. 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.