Florissant, MO

ZIP Codes in Florissant, Missouri

December 31, 2025

ZIP Code	Population	Coordinates
63031	50,568	38.8120, -90.3536
63032	--	38.6383, -90.4271
63033	41,037	38.7984, -90.2742
63034	19,031	38.8454, -90.2885

Florissant has 4 ZIP codes

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