Mason, OH ZIP Codes

ZIP code, county, time zone and coordinates of Mason, Ohio

The ZIP code of Mason, OH is 45040. Mason has 2 ZIP codes: 45040, 45034. It is in Warren County.

Mailing address format for Mason

John Smith
123 Main St
MASON OH 45040
USA

USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.

All ZIP codes in Mason

ZIP codePopulationArea
45040—28.5 sq miMain
45034—0.7 sq mi

ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.

Where is Mason? Location, county and time zone

State
Ohio
County
Warren County
GPS coordinates
39.36072, -84.29587
Elevation
810 ft (247 m)
Time zone
America/New YorkEST · UTC-05:00
Population
34,792

Map of Mason, OH 45040

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ZIP codes near Mason

Mason ZIP code: FAQ

What is the ZIP code for Mason, OH?

The main ZIP code for Mason, OH is 45040. All ZIP codes: 45040, 45034.

How many ZIP codes does Mason have?

Mason has 2 ZIP codes.

What county is Mason, OH in?

Mason is in Warren County, Ohio.

What time zone is Mason in?

Mason is in the America/New York time zone (EST, UTC-05:00 right now).

What are the coordinates of Mason?

Latitude 39.36072, longitude -84.29587.

Last updated: