ZIP Code 91798: Ontario, CA
Ontario in San Bernardino County, California uses ZIP code 91798. Its reference point is at latitude 34.84 and longitude -115.9671 (34°50'24.0"N 115°58'01.6"W).
Location Overview of ZIP Code 91798
Ontario has 5 ZIP codes in our directory, and San Bernardino County has 121.
California has 2,792 ZIP codes listed in total.
The nearest listed ZIP code is 91729 (Rancho Cucamonga), which shares the same reference point.
| ZIP code | 91798 |
|---|---|
| Place | Ontario |
| County | San Bernardino County |
| State | California |
| Country | United States |
| Latitude | 34.84 |
| Longitude | -115.9671 |
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Map of ZIP Code 91798
Map centred on 34.84, -115.9671. The pin marks the ZIP code's reference point, not its boundary.
Video: Ontario, California
Ontario California Complete Travel Guide | Things to do Ontario California — by Live Traveling USA · Watch on YouTube
ZIP Codes Near 91798
These 16 ZIP codes have the closest reference points to 91798, measured in a straight line.
Nearby Cities and Towns
The closest places to ZIP code 91798, measured in a straight line from its reference point. Road distances will be longer.
- Patton – same location
- Bryn Mawr – same location
- Rimforest – same location
- Guasti – same location
- Cima – same location
- Mountain Pass – same location
- Crest Park – same location
- Skyforest – same location
Schools Near Ontario
School places are usually allocated by home address, so families living around ZIP code 91798 should confirm their catchment school with the local education authority for Ontario, San Bernardino County.
Looking at nearby areas such as Rancho Cucamonga, Guasti and Bryn Mawr 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 Ontario are easiest to find on the map above or with the searches below, which are centred on ZIP code 91798.
Hospitals and Healthcare
Hospitals, clinics and pharmacies serving Ontario can be found with the searches below. In an emergency in the United States, call 911.
Residents may also use facilities in nearby Rancho Cucamonga, Guasti and Bryn Mawr.
Shopping and Dining in Ontario
Restaurants, supermarkets and shopping centres in and around Ontario 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 Ontario, California can be found with the searches below.
For local history, try the archives of San Bernardino County along with the name Ontario.
Roads, Rivers and Lakes
From ZIP code 91798, Rancho Cucamonga shares the same reference point, Guasti shares the same reference point, Bryn Mawr shares the same reference point, Cima shares the same reference point and Crest Park shares the same reference point in a straight line. Use the directions link for routes and road names.
Rivers, lakes and coastline near Ontario show up on the map above, or you can search for them directly.
Frequently Asked Questions About ZIP Code 91798
Photo & Video Credits
- Video: “Ontario California Complete Travel Guide | Things to do Ontario California” by Live Traveling USA, embedded from YouTube. All rights belong to the creator.
Data for ZIP code 91798 comes from GeoNames and is provided for general reference. Always confirm mailing details with the U.S. Postal Service (USPS).