Senator Booker's Mobile Office Hours Return to Lambertville tomorrow, Thursday, June 28, 11:00 AM-200 PM at Justice Center: Mobile Office Hours, where Senator Booker's staff brings his office to the constituents of New Jersey will be back in our City tomorrow at the Justice Center, 25 S Union St. The goal of the office hours is to provide resources from federal agencies across different issues areas so that constituents can properly address their concerns and/or receive the assistance they may need.