ZIP Codes Box

Cass County, Iowa ZIP codes

8ZIP codes
8Cities and towns
13,872People in ZIP areas
641, 712Area codes

Cass County is in Iowa and the Central Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.

All ZIP codes in Cass County

ZIP codeCityTypePopulationMedian income
50020AnitaStandard1,197$75,417
50022AtlanticStandard8,526$63,125
50274WiotaStandard234$71,667
50843CumberlandStandard540$56,125
50853MassenaStandard716$65,208
51535GriswoldStandard1,697$76,371
51544LewisStandard793$48,313
51552MarneStandard169$90,000

Cities and towns in Cass County

Area codes in Cass County

Questions

How many ZIP codes are in Cass County, IA?
Cass County has 8 ZIP codes.
What cities are in Cass County?
Cass County ZIP codes cover Anita, Atlantic, Cumberland, Griswold, Lewis, Marne, Massena and Wiota.
What area code is Cass County, IA?
Cass County uses area codes 641 and 712.
What time zone is Cass County in?
Cass County is in Central Time.

Other Iowa counties