Argonne Guest House: Request Reservations
Passes to the Argonne Campus are issued by the Argonne Information Center (AIC) Visitor Reception personnel at the request of an ANL/DOE badged employee, or a resident of the on-site lodging facility. Passes are valid for site access from 6:30 am - 7:00 pm, Monday through Friday.
A visitor's host may also request an off-hours pass. Prior arrangements must be made with the AIC personnel at (630) 252-5755 for access during off-hours, weekends, and holidays. The AIC is open from 6:30 am - 5:00 pm, Monday through Friday. Notify the Argonne Guest House if you will arrive outside the AIC's operating hours.
Visits by non-U.S. citizens may require the completion and processing of form ANL-593, Visit/Assignment Request Form, by your Argonne contact person.

