Postal reference / United States

13339Fort Plain, New York

ZIP code 13339 is a United States postal code for Fort Plain, New York. Its county association is Montgomery County. The map reference point is at 42.9372, -74.6433.

State / territory
New York
Recorded place name
Fort Plain
County association
Montgomery
Estimated coordinate
42.9372, -74.6433
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ZIP prefix
133 · 55 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
105.222 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
13410NellistonNYMontgomery1.6
13428Palatine BridgeNYMontgomery3.8
13317CanajoharieNYMontgomery5.4
13452Saint JohnsvilleNYMontgomery5.5
13475Van HornesvilleNYHerkimer9.8
12166SprakersNYMontgomery11.4
13333East SpringfieldNYOtsego11.6
13320Cherry ValleyNYOtsego11.9

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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