ZIP Code 45040

Zip Code: 45040
Type: Standard
Official USPS city name: Mason
Official USPS State Code: OH
Official State Name: Ohio
ZCTA: TRUE
Population: 54890.0
Density: 754.8
Primary Official County Code: 39165
Primary Official County Name: Warren
Official County Name: Warren
Official County Code: 39165
Imprecise: FALSE
Military: FALSE
Timezone: America/New_York (02:28 AM Tuesday, April 22 2025-04-22 (GMT -0400))
Geo Point: 39.352, -84.31256