Oak Brook Illinois About
Oak Brook Illinois has a zip code of 60523. The current date and time in Oak Brook is November 1, 2026, 12:59 pm and it has a population of 10,231 people. Oak Brook Illinois lies at an elevation of 746 feet.
Oak Brook Illinois has a zip code of 60523. The current date and time in Oak Brook is November 1, 2026, 12:59 pm and it has a population of 10,231 people. Oak Brook Illinois lies at an elevation of 746 feet.
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