ZIP Code 13420

13420 is one of New York's ZIP codes, delivering to addresses in Old Forge, Herkimer County.

City: Old Forge
County: Herkimer County
State: New York
Prefix: 134xx

Where this code sits

13420 is part of the 134xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Old Forge.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 13420 delivers to without sharing its boundary.

ZIP codes nearest 13420

The ZIP codes whose reference points sit closest to 13420.
ZIP code	Distance	Delivers to
ZIP code 13331	5.1 mi	Eagle Bay, NY
ZIP code 13360	5.4 mi	Inlet, NY
ZIP code 13472	6.2 mi	Thendara, NY
ZIP code 13436	13 mi	Raquette Lake, NY
ZIP code 13494	20 mi	Woodgate, NY
ZIP code 13312	20 mi	Brantingham, NY
ZIP code 13345	22 mi	Greig, NY
ZIP code 12108	22 mi	Lake Pleasant, 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 13420, plotted from its record coordinates.

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

Scope ZIP code 13420. 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.