Duncan, OK

ZIP Codes in Duncan, Oklahoma

January 23, 2026

ZIP Code	Population	Coordinates
73533	27,866	34.5050, -97.8667
73534	--	34.5189, -97.9733
73536	--	34.4853, -97.8522
73575	--	34.4853, -97.8522

Duncan has 4 ZIP codes

« Oklahoma ZIP Codes All States »