ZIP code · Marathon · New York · United States
ZIP code 13803 — Marathon
ZIP code 13803 serves Marathon, New York.
- Postal code
- 13803Single source Value from one source, not cross-checked.
- City
- Marathon
- County
- Cortland
- State
- New York
- Country
- United States
- Coordinates
- 42.4527, -76.0395 — precision precise (locality)
View on OpenStreetMap - Population
- 3,936 (ZCTA, ACS 5-year)
- Median household income
- $62,537
- Median age
- 37.4
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page