1800 Market StPhiladelphia, PA 19103 Phone: +1 215-561-7500Fax: +1 215-561-4484Toll Free: +800-766-3782 Hotel E-mailHotel Website Classification 6 First Class Commission Rooms Rates 10% 439 - Hoteliers! Is your information accurate? Update Here Sonesta Philadelphia Rittenhouse Square Location & Neighborhood Located in the heart of center city in the business district. - 8 MI, 20 min from Philadelphia Intl airport.Nearest Cross Street: 18th St