Rancho Cucamonga, CA

ZIP Codes in Rancho Cucamonga, California

December 31, 2025

ZIP Code	Population	Coordinates
91701	39,323	34.1378, -117.6003
91729	--	34.8400, -115.9671
91730	71,040	34.1004, -117.5813
91737	23,108	34.1552, -117.5781
91739	41,319	34.1564, -117.5169

Rancho Cucamonga has 5 ZIP codes

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