Postal reference / United States

45490Dayton, Ohio

ZIP code 45490 is a United States postal code for Dayton, Ohio. Its county association is Montgomery County. The map reference point is at 39.7505, -84.2686.

State / territory
Ohio
Recorded place name
Dayton
County association
Montgomery
Estimated coordinate
39.7505, -84.2686
View on OpenStreetMap
ZIP prefix
454 · 43 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.

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Other ZIP codes in Dayton, OH

Dayton has 43 ZIP codes in the reference dataset. The 3 not listed here are in the Ohio directory.

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
45343MiamisburgOHMontgomery0.0
45401DaytonOHMontgomery0.0
45413DaytonOHMontgomery0.0
45435DaytonOHMontgomery0.0
45437DaytonOHMontgomery0.0
45441DaytonOHMontgomery0.0
45448DaytonOHMontgomery0.0
45470DaytonOHMontgomery0.0

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