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Illinois

This is the Illinois Postcode page list. Its detail is as below.

Region 1
CountryUnited States
Region 1Illinois
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Which sub-regions are included in Illinois? Here's the list of sub-regions in Illinois.
Region1 Region2
Illinois Jefferson
Illinois Jersey
Illinois Jo Daviess
Illinois Johnson
Illinois Kane
Illinois Kankakee
Illinois Kendall
Illinois Knox
Illinois La Salle
Illinois Lake
Illinois Lawrence
Illinois Lee
Illinois Livingston
Illinois Logan
Illinois Macon
Illinois Macoupin
Illinois Madison
Illinois Marion
Illinois Marshall
Illinois Mason
Envelope Example
United States Envelope Example
For more explanation, please read the official document: usa.pdf . (English)

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