Incoming mail is delivered to Oak Brook Regency Towers, Monday through Saturday at approximately 10:00 a.m. each day and delivered directly to each Client suite.

A mail area is located on the first floor of each tower. They each contain FedEx and UPS drop boxes which are emptied daily. Mail is delivered to each Suite by USPS.

The main post office for Oak Brook is located at 1314 Kensington and can be reached at 630-990-4224.