ZIP code · Amsterdam · Ohio · United States
ZIP code 43903 — Amsterdam
ZIP code 43903 serves Amsterdam, Ohio.
- Postal code
- 43903Single source Value from one source, not cross-checked.
- City
- Amsterdam
- County
- Jefferson
- State
- Ohio
- Country
- United States
- Coordinates
- 40.4731, -80.9596 — precision precise (locality)
View on OpenStreetMap
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. Data generated on 2026-08-21. Methodology · Report an error on this page