ZIP Code 45040: Mason, OH
Mason in Warren County, Ohio uses ZIP code 45040. Its reference point is at latitude 39.3357 and longitude -84.3149 (39°20'08.5"N 84°18'53.6"W).
Location Overview of ZIP Code 45040
Ohio has 1,487 ZIP codes listed in total.
The nearest listed ZIP code is 45034 in Kings Mills, about 3.9 mi to the northeast.
| ZIP code | 45040 |
|---|---|
| Place | Mason |
| County | Warren County |
| State | Ohio |
| Country | United States |
| Latitude | 39.3357 |
| Longitude | -84.3149 |
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Map of ZIP Code 45040
Map centred on 39.3357, -84.3149. The pin marks the ZIP code's reference point, not its boundary.
Photos of Mason, Ohio
ZIP Codes Near 45040
These 16 ZIP codes have the closest reference points to 45040, measured in a straight line.
Nearby Cities and Towns
The closest places to ZIP code 45040, measured in a straight line from its reference point. Road distances will be longer.
- Kings Mills – 3.9 mi northeast
- Maineville – 4.0 mi east
- South Lebanon – 6.1 mi northeast
- Loveland – 7.0 mi southeast
- Miamiville – 8.5 mi south
- Camp Dennison – 9.7 mi south
- Lebanon – 9.9 mi northeast
- West Chester – 10.0 mi west
- Morrow – 11 mi east
- Middletown – 12 mi northwest
- Pleasant Plain – 12 mi east
- Terrace Park – 12 mi south
Schools Near Mason
School places are usually allocated by home address, so families living around ZIP code 45040 should confirm their catchment school with the local education authority for Mason, Warren County.
Looking at nearby areas such as Kings Mills, Maineville and West Chester widens the choice of state, private and international schools. The links below open live Google Maps results centred on this location.
Parks and Outdoor Recreation
Parks, playgrounds and walking trails around Mason are easiest to find on the map above or with the searches below, which are centred on ZIP code 45040.
Hospitals and Healthcare
Hospitals, clinics and pharmacies serving Mason can be found with the searches below. In an emergency in the United States, call 911.
Residents may also use facilities in nearby Kings Mills, Maineville and West Chester.
Shopping and Dining in Mason
Restaurants, supermarkets and shopping centres in and around Mason are listed in the Google Maps searches below, with current opening hours and reviews.
Libraries and Historical Places
Public libraries, museums and historic sites near Mason, Ohio can be found with the searches below.
For local history, try the archives of Warren County along with the name Mason.
Roads, Rivers and Lakes
From ZIP code 45040, Kings Mills lies about 3.9 mi to the northeast, Maineville lies about 4.0 mi to the east, West Chester lies about 4.5 mi to the west, Cincinnati lies about 4.7 mi to the south and South Lebanon lies about 6.1 mi to the northeast in a straight line. Use the directions link for routes and road names.
Rivers, lakes and coastline near Mason show up on the map above, or you can search for them directly.
Frequently Asked Questions About ZIP Code 45040
Photo & Video Credits
- Photo 1 (“Emma Navarro Cincinnati Open 2026 (cropped)”): Navin75, CC BY-SA 4.0, via Wikimedia Commons.
Photos are shown from their original source under the licenses listed. They were taken near this location and may show neighbouring areas.
Data for ZIP code 45040 comes from GeoNames and is provided for general reference. Always confirm mailing details with the U.S. Postal Service (USPS).