Oak Brook zip code
Zip code in Oak Brook, IL
The location Oak Brook belongs to DuPage County, state of Illinois. Oak Brook has 4 zip codes which you can see in the following table.
The location name Oak Brook is listed as acceptable by the US Postal Service so it can be used in your mailings just fine. You can also use any of the following names: Oak Brk Mall, Oak Brook, Oak Brook Mall.Featured zip codes
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