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Zip Code information for Onawa, Iowa.

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Onawa Zip Codes

What are the Onawa, Iowa Zip Codes for 2020, 2019

Primary Zip Codes for Onawa

Zip Code	Primary City	Secondary City
51040	Onawa	Turin

Cities sharing Zip Codes with Onawa

Zip Code	Primary City	Secondary City	More Information
51040	Onawa	Turin

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Content provided by the US Census bureau for the years 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

The Census Bureau can also provide statisics and demographics for 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 and 2009 on their website