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Zip Code information for Portland, Iowa.

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Portland Zip Codes

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

Primary Zip Codes for Portland

Zip Code	Primary City	Secondary City
50401	Mason City	Portland, Central Heights, Emery, Freeman, Hanford, Winnebago Heights

Cities sharing Zip Codes with Portland

Zip Code	Primary City	Secondary City	More Information
50401	Mason City	Central Heights
50401	Mason City	Emery
50401	Mason City	Freeman
50401	Mason City	Hanford
50401	Mason City	Portland
50401	Mason City	Winnebago Heights

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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