Postal reference / United States

45303Ansonia, Ohio

ZIP code 45303 is a United States postal code for Ansonia, Ohio. Its county association is Darke County. The map reference point is at 40.2151, -84.6406.

State / territory
Ohio
Recorded place name
Ansonia
County association
Darke
Estimated coordinate
40.2151, -84.6406
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ZIP prefix
453 · 80 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
31.099 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
45362RossburgOHDarke5.5
45390Union CityOHDarke7.6
45380VersaillesOHDarke7.7
45331GreenvilleOHDarke8.0
45348New WestonOHDarke8.3
45350North StarOHDarke8.3
45310BurkettsvilleOHMercer9.6
47390Union CityINRandolph9.9

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

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