ZIP Code 13840

13840 is one of New York's ZIP codes, delivering to addresses in Smithboro, Tioga County.

City: Smithboro
County: Tioga County
State: New York
Prefix: 138xx

Where this code sits

13840 is part of the 138xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Smithboro.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 13840 delivers to without sharing its boundary.

607 Area code 607

ZIP codes nearest 13840

The ZIP codes whose reference points sit closest to 13840.
ZIP code	Distance	Delivers to
ZIP code 13734	2.1 mi	Barton, NY
ZIP code 13812	2.5 mi	Nichols, NY
ZIP code 13845	2.9 mi	Tioga Center, NY
ZIP code 14892	7.0 mi	Waverly, NY
ZIP code 18840	7.3 mi	Sayre, PA
ZIP code 18810	7.7 mi	Athens, PA
ZIP code 14859	8.7 mi	Lockwood, NY
ZIP code 13827	9.1 mi	Owego, 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 13840, plotted from its record coordinates.

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

Scope ZIP code 13840. 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.