KLM Customer Service Phone Number – What is KLM Phone Number?

KLM Phone Number: 866-434-0320

Airline: KLM

Airline Code: KL

Country: Netherlands

ICAO: KLM

Callsign: KLM

To get assistance with any bookings & reservations related issues, before, during or after the flights, call KLM Customer Service phone number: 866-434-0320 to speak to a live rep of KLM.