On this page you will see the information for zip codes list which Illinois - US cover, as well as demographic information of Illinois state * Demographic data is not updated it is based on 2010 Census, to see the detailed information of related code press click on ZIP Code.
Illinois - US State Information | |
| State Code | IL |
| Timezone | Central (GMT -06:00) |
| Male Population | 6292276 |
| Female Population | 6538356 |
| Population | 12830632 |
| Counties | 102 |
| Land Area | 55,519 square miles |
| # | ZIP | Postal Code | Post Office | Place | City Name | Address [Level - 1, State] | Country Code |
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It is often seen that Illinois ZIP Codes are the geographic area of Illinois, and the specific code sometimes refers to a personal address, post office in Illinois or a government agency that is responsible for receive or send mail to Illinois US. Illinois is a state in the US and the total area of this state is approx 57,914 square miles.
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