ZIP Code 12121

12121 is one of New York's ZIP codes, delivering to addresses in Melrose, Rensselaer County.

City: Melrose
County: Rensselaer County
State: New York
Prefix: 121xx

Where this code sits

12121 is part of the 121xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Melrose.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 12121 delivers to without sharing its boundary.

ZIP codes nearest 12121

The ZIP codes whose reference points sit closest to 12121.
ZIP code	Distance	Delivers to
ZIP code 12185	4.5 mi	Valley Falls, NY
ZIP code 12182	5.0 mi	Troy, NY
ZIP code 12154	5.1 mi	Schaghticoke, NY
ZIP code 12188	5.1 mi	Waterford, NY
ZIP code 12094	6.0 mi	Johnsonville, NY
ZIP code 12047	7.0 mi	Cohoes, NY
ZIP code 12118	7.8 mi	Mechanicville, NY
ZIP code 12181	7.8 mi	Troy, 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 12121, plotted from its record coordinates.

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

Scope ZIP code 12121. 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.