KLM Information

Web site: KLM
Frequent flyer: Information

Reservations numbers:
 in Netherlands: 020 474 7747
 in US: 800 618-0104
 in UK: 020 7660 0293

IATA Code: KL
ICAO Code: KLM
Ticket/Account Code: 074

HQ Address:
KLM
P.O. Box 7700,
1117 ZL Schiphol
Netherlands

HQ Phone: +31 (0)20 649 9123