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Zip Code information for Green Castle, Iowa.

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Green Castle Zip Codes

What are the Green Castle, Iowa Zip Codes for 2020, 2019

Primary Zip Codes for Green Castle

Zip Code	Primary City	Secondary City
50054	Colfax	Green Castle, Goddard, Valeria

Cities sharing Zip Codes with Green Castle

Zip Code	Primary City	Secondary City	More Information
50054	Colfax	Goddard
50054	Colfax	Green Castle
50054	Colfax	Valeria

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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