ZIP Code 13646

13646 is one of New York's ZIP codes, delivering to addresses in Hammond, St. Lawrence County.

City: Hammond
County: St. Lawrence County
State: New York
Prefix: 136xx

Where this code sits

13646 is part of the 136xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Hammond.

Hammond New York ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 13646 delivers to without sharing its boundary.

ZIP codes nearest 13646

The ZIP codes whose reference points sit closest to 13646.
ZIP code	Distance	Delivers to
ZIP code 13623	4.2 mi	Chippewa Bay, NY
ZIP code 13614	7.1 mi	Brier Hill, NY
ZIP code 13664	9.4 mi	Morristown, NY
ZIP code 13633	10 mi	De Peyster, NY
ZIP code 13679	11 mi	Redwood, NY
ZIP code 13671	12 mi	Oxbow, NY
ZIP code 13642	13 mi	Gouverneur, NY
ZIP code 13607	14 mi	Alexandria Bay, 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 13646, plotted from its record coordinates.

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

Scope ZIP code 13646. 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.