Average GPS coordinates for Ontario Postcode location: 34.369, -116.969. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Ontario on map:

---

Listing cities & postcodes (5):
>> California, 91758 Ontario, San Bernardino, GPS coordinates: 34.84,-115.9671
>> California, 91761 Ontario, San Bernardino, GPS coordinates: 34.0316,-117.6187
>> California, 91762 Ontario, San Bernardino, GPS coordinates: 34.0584,-117.6665
>> California, 91764 Ontario, San Bernardino, GPS coordinates: 34.0763,-117.6254
>> California, 91798 Ontario, San Bernardino, GPS coordinates: 34.84,-115.9671