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Zip Code information for Sioux City, Iowa.

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Sioux City Zip Codes

What are the Sioux City, Iowa Zip Codes for 2020, 2019

Primary Zip Codes for Sioux City

Zip Code	Primary City	Secondary City
51101	Sioux City	Wickham Spur
51102	Sioux City
51103	Sioux City
51104	Sioux City
51105	Sioux City
51106	Sioux City
51108	Sioux City	James
51109	Sioux City	Blvd Station
51111	Sioux City

Cities sharing Zip Codes with Sioux City

Zip Code	Primary City	Secondary City	More Information
51101	Sioux City	Wickham Spur
51108	Sioux City	James
51109	Sioux City	Blvd Station

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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