Find the last 4 digits (ZIP+4) for an address in 45423

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ZIP Code 45423 – Dayton, OH

Dayton, Ohio · Montgomery County · Eastern time

ZIP code45423
CityDayton
StateOhio
CountyMontgomery County
Population0
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area0.01 sq mi
Center (lat, long)39.7604, -84.1911

Area codes in this area

326937

These are the area codes that most often serve ZIP 45423 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

45412 Dayton · 0.1 mi45422 Dayton · 0.5 mi45402 Dayton · 0.9 mi45469 Dayton · 1.5 mi45479 Dayton · 1.8 mi45410 Dayton · 1.9 mi45403 Dayton · 2.2 mi45405 Dayton · 2.6 mi

About ZIP 45423

ZIP code 45423 is assigned to Dayton, Ohio. It lies in Montgomery County. Its Census area covers about 0.01 square miles of land. The closest neighboring ZIP is 45412 (Dayton), about 0.1 miles away.

Every address in 45423 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources