Changi Airport Singapore Address, Phone, Email, Location Map, Website Changi Airport Address:  Singapore Changi Airport PO Box 168, Singapore 918146 Changi Airport Corporate Reception Location: Changi Airport Terminal 2, Level 4 Office hours: Monday to Thursday: 8.30am to 1.00pm; 2.00pm to 6.00pm Friday: 8.30am to 1.00pm; 2.00pm to 5.30pm To […]