ZIP Code 12151

12151 is one of New York's ZIP codes, delivering to addresses in Round Lake, Saratoga County.

City: Round Lake
County: Saratoga County
State: New York
Prefix: 121xx

Where this code sits

12151 is part of the 121xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Round Lake.

Round Lake New York ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 12151 delivers to without sharing its boundary.

ZIP codes nearest 12151

The ZIP codes whose reference points sit closest to 12151.
ZIP code	Distance	Delivers to
ZIP code 12118	3.3 mi	Mechanicville, NY
ZIP code 12019	3.5 mi	Ballston Lake, NY
ZIP code 12065	5.2 mi	Clifton Park, NY
ZIP code 12027	5.6 mi	Burnt Hills, NY
ZIP code 12020	6.4 mi	Ballston Spa, NY
ZIP code 12148	6.6 mi	Rexford, NY
ZIP code 12008	7.4 mi	Alplaus, NY
ZIP code 12170	8.3 mi	Stillwater, 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 12151, plotted from its record coordinates.

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

Scope ZIP code 12151. 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.