Ontario, CA

ZIP Codes in Ontario, California

December 31, 2025

ZIP Code	Population	Coordinates
91758	--	34.8400, -115.9671
91761	61,837	34.0356, -117.5915
91762	62,990	34.0594, -117.6693
91764	55,311	34.0741, -117.6056
91798	--	34.8400, -115.9671

Ontario has 5 ZIP codes

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