Waterloo zip code

Zip code in Waterloo, IA

The location Waterloo belongs to Black Hawk County, state of Iowa. Waterloo has 6 zip codes which you can see in the following table.

Waterloo is the official name of the location so if you want to use the US Postal Service you must use that name.

Zip code	Type	Population
50701	STANDARD	25,690
50702	STANDARD	17,620
50703	STANDARD	14,550
50704	PO BOX	1,001
50706	STANDARD	927
50707	STANDARD	6,730

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