Guests attending can book their rooms several ways. Call the hotel at 610-351-6400 or the Hilton Reservations line at 1-800-HILTONS. Give the date of arrival and departure and refer to the group code TBW or group name Treadwell-Brinckman Wedding. You can also click on the link below. All rooms must be booked no later than 30 days prior to the wedding.