16 Soi Sukhumvit 49 KlangBangkok, Thailand 10110 Phone: +66 2-662-7575Fax: +66 2-662-5849 Hotel E-mailHotel Website Classification 7 Superior First Class Commission Rooms Rates - 86 - Hoteliers! Is your information accurate? Update Here Adelphi Fortynine Location & Neighborhood 25 KM from Suvarnabhumi Intl airport.