ZIP Code 13820

13820 is one of New York's ZIP codes, delivering to addresses in Oneonta, Otsego County.

City: Oneonta
County: Otsego County
State: New York
Prefix: 138xx

Where this code sits

13820 is part of the 138xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Oneonta.

Oneonta New York ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 13820 delivers to without sharing its boundary.

607 Area code 607

ZIP codes nearest 13820

The ZIP codes whose reference points sit closest to 13820.
ZIP code	Distance	Delivers to
ZIP code 13747	4.5 mi	Colliersville, NY
ZIP code 13860	4.5 mi	West Davenport, NY
ZIP code 13861	5.4 mi	West Oneonta, NY
ZIP code 13834	6.3 mi	Portlandville, NY
ZIP code 13796	6.6 mi	Laurens, NY
ZIP code 13846	6.9 mi	Treadwell, NY
ZIP code 13806	7.5 mi	Meridale, NY
ZIP code 13751	7.6 mi	Davenport Center, 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 13820, plotted from its record coordinates.

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

Scope ZIP code 13820. 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.