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Zip Code information for Boulder, Illinois.

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Illinois Zip Codes

Boulder Zip Codes

What are the Boulder, Illinois Zip Codes for 2020, 2019

Primary Zip Codes for Boulder

Zip Code	Primary City	Secondary City
62231	Carlyle	Boulder, Ferrin, Posey, Royal Lake, Shatuc, Shattuc

Cities sharing Zip Codes with Boulder

Zip Code	Primary City	Secondary City	More Information
62231	Carlyle	Shattuc
62231	Carlyle	Boulder
62231	Carlyle	Ferrin
62231	Carlyle	Posey
62231	Carlyle	Royal Lake
62231	Carlyle	Shatuc

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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