ZIP Code 13811

13811 is one of New York's ZIP codes, delivering to addresses in Newark Valley, Tioga County.

City: Newark Valley
County: Tioga County
State: New York
Prefix: 138xx

Where this code sits

13811 is part of the 138xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Newark Valley.

Newark Valley New York ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 13811 delivers to without sharing its boundary.

607 Area code 607

ZIP codes nearest 13811

The ZIP codes whose reference points sit closest to 13811.
ZIP code	Distance	Delivers to
ZIP code 13736	5.7 mi	Berkshire, NY
ZIP code 13802	6.2 mi	Maine, NY
ZIP code 13760	7.7 mi	Endicott, NY
ZIP code 13743	8.8 mi	Candor, NY
ZIP code 13827	9.2 mi	Owego, NY
ZIP code 13777	9.5 mi	Glen Aubrey, NY
ZIP code 13797	10 mi	Lisle, NY
ZIP code 13761	11 mi	Endicott, 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 13811, plotted from its record coordinates.

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

Scope ZIP code 13811. 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.