ZIP Code 12843

12843 is one of New York's ZIP codes, delivering to addresses in Johnsburg, Warren County.

City: Johnsburg
County: Warren County
State: New York
Prefix: 128xx

Where this code sits

12843 is part of the 128xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Johnsburg.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 12843 delivers to without sharing its boundary.

ZIP codes nearest 12843

The ZIP codes whose reference points sit closest to 12843.
ZIP code	Distance	Delivers to
ZIP code 12886	3.3 mi	Wevertown, NY
ZIP code 12862	5.3 mi	Riparius, NY
ZIP code 12811	5.8 mi	Bakers Mills, NY
ZIP code 12817	6.8 mi	Chestertown, NY
ZIP code 12810	7.3 mi	Athol, NY
ZIP code 12853	8.5 mi	North Creek, NY
ZIP code 12885	8.6 mi	Warrensburg, NY
ZIP code 12860	11 mi	Pottersville, 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 12843, plotted from its record coordinates.

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

Scope ZIP code 12843. 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.