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Zip Code information for Big Rock, Iowa.

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Big Rock Zip Codes

What are the Big Rock, Iowa Zip Codes for 2020, 2019

Primary Zip Codes for Big Rock

Zip Code	Primary City	Secondary City
52745	Dixon	Big Rock

Cities sharing Zip Codes with Big Rock

Zip Code	Primary City	Secondary City	More Information
52745	Dixon	Big Rock

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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, 2025.

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