300 North LaSalle

Customer Resource Center


300 N. LaSalle LLC
300 N. LaSalle, Suite 2280
Chicago, IL 60654
(Map It)


Main: 312.379.6400
Fax: 312.467.9580


Hours of Operation

MON-FRI :               8 AM to 5 PM        

SATURDAY:             Closed                    

SUNDAY:                 Closed     

On certain other holidays, the Customer Resource Center may also be closed. Customers will be notified in advance about special holiday building and Customer Resource Center hours.

The Customer Resource Center is closed on the following holidays:

New Year’s Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day

Emergency Numbers


Office of the Building (312) 379-6400

Lobby Security  (312) 379-6440

Chicago Police (Non-Emergency)  311

Parking Office  (312) 379-6473

Dock Office  (312) 379-6471 

Messenger Office  (312) 379-6470