ZIP Code 13784

13784 is one of New York's ZIP codes, delivering to addresses in Harford, Cortland County.

City: Harford
County: Cortland County
State: New York
Prefix: 137xx

Where this code sits

13784 is part of the 137xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Harford.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 13784 delivers to without sharing its boundary.

607 Area code 607

ZIP codes nearest 13784

The ZIP codes whose reference points sit closest to 13784.
ZIP code	Distance	Delivers to
ZIP code 13835	3.0 mi	Richford, NY
ZIP code 13053	5.2 mi	Dryden, NY
ZIP code 14881	7.0 mi	Slaterville Springs, NY
ZIP code 14817	7.9 mi	Brooktondale, NY
ZIP code 13736	8.4 mi	Berkshire, NY
ZIP code 13068	8.6 mi	Freeville, NY
ZIP code 13062	9.0 mi	Etna, NY
ZIP code 13102	9.5 mi	Mc Lean, 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 13784, plotted from its record coordinates.

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

Scope ZIP code 13784. 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.