For the convenience and safety of all tenants, One South Dearborn offers an Internal Messenger Service which interfaces directly with all commercial messengers making deliveries to or from the building.

For outbound deliveries, please contact the Messenger Center Office at 312-386-8317 to arrange a pick-up. Commercial messengers may then pick-up up the package from the Messenger Center Office located in the Loading Dock. For security purposes, all commercial messengers making deliveries to One South Dearborn will be asked to leave packages at the Messenger Office. For food related deliveries, please schedule the delivery with the Messenger Center Office at 312-386-8300. An internal messenger will then deliver the package directly to the tenant. The Messenger Center does not accept perishable items or food.

Internal Messenger Service is available from 7:00 a.m. - 6:00 p.m. Monday through Friday (except holidays).