ZIP Code 12821

12821 is one of New York's ZIP codes, delivering to addresses in Comstock, Washington County.

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

Where this code sits

12821 is part of the 128xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Comstock.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 12821 delivers to without sharing its boundary.

ZIP codes nearest 12821

The ZIP codes whose reference points sit closest to 12821.
ZIP code	Distance	Delivers to
ZIP code 12854	3.2 mi	North Granville, NY
ZIP code 12827	4.4 mi	Fort Ann, NY
ZIP code 12849	5.1 mi	Middle Granville, NY
ZIP code 12887	6.4 mi	Whitehall, NY
ZIP code 12838	7.7 mi	Hartford, NY
ZIP code 12832	7.8 mi	Granville, NY
ZIP code 12837	8.8 mi	Hampton, NY
ZIP code 05764	10 mi	Poultney, VT

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 12821, plotted from its record coordinates.

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

Scope ZIP code 12821. 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.