ZIP Code 13318

13318 is one of New York's ZIP codes, delivering to addresses in Cassville, Oneida County.

City: Cassville
County: Oneida County
State: New York
Prefix: 133xx

Where this code sits

13318 is part of the 133xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cassville.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 13318 delivers to without sharing its boundary.

ZIP codes nearest 13318

The ZIP codes whose reference points sit closest to 13318.
ZIP code	Distance	Delivers to
ZIP code 13313	1.9 mi	Bridgewater, NY
ZIP code 13491	4.3 mi	West Winfield, NY
ZIP code 13455	4.8 mi	Sangerfield, NY
ZIP code 13322	5.1 mi	Clayville, NY
ZIP code 13480	6.4 mi	Waterville, NY
ZIP code 13364	6.8 mi	Leonardsville, NY
ZIP code 13456	6.9 mi	Sauquoit, NY
ZIP code 13314	7.1 mi	Brookfield, 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 13318, plotted from its record coordinates.

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

Scope ZIP code 13318. 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.