ZIP Code 13640

13640 is one of New York's ZIP codes, delivering to addresses in Wellesley Island, Jefferson County.

City: Wellesley Island
County: Jefferson County
State: New York
Prefix: 136xx

Where this code sits

13640 is part of the 136xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Wellesley Island.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 13640 delivers to without sharing its boundary.

ZIP codes nearest 13640

The ZIP codes whose reference points sit closest to 13640.
ZIP code	Distance	Delivers to
ZIP code 13692	2.2 mi	Thousand Island Park, NY
ZIP code 13641	3.2 mi	Fishers Landing, NY
ZIP code 13607	5.0 mi	Alexandria Bay, NY
ZIP code 13675	8.8 mi	Plessis, NY
ZIP code 13656	9.0 mi	La Fargeville, NY
ZIP code 13679	10 mi	Redwood, NY
ZIP code 13624	12 mi	Clayton, NY
ZIP code 13632	13 mi	Depauville, 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 13640, plotted from its record coordinates.

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

Scope ZIP code 13640. 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.